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OpenCloudOS-Kernel/drivers/gpu/drm/i915/intel_sprite.c

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/*
* Copyright © 2011 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Jesse Barnes <jbarnes@virtuousgeek.org>
*
* New plane/sprite handling.
*
* The older chips had a separate interface for programming plane related
* registers; newer ones are much simpler and we can use the new DRM plane
* support.
*/
#include <drm/drmP.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_rect.h>
#include <drm/drm_atomic.h>
#include <drm/drm_plane_helper.h>
#include "intel_drv.h"
#include "intel_frontbuffer.h"
#include <drm/i915_drm.h>
#include "i915_drv.h"
static bool
format_is_yuv(uint32_t format)
{
switch (format) {
case DRM_FORMAT_YUYV:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_YVYU:
return true;
default:
return false;
}
}
int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
int usecs)
{
/* paranoia */
if (!adjusted_mode->crtc_htotal)
return 1;
return DIV_ROUND_UP(usecs * adjusted_mode->crtc_clock,
1000 * adjusted_mode->crtc_htotal);
}
/* FIXME: We should instead only take spinlocks once for the entire update
* instead of once per mmio. */
#if IS_ENABLED(CONFIG_PROVE_LOCKING)
#define VBLANK_EVASION_TIME_US 250
#else
#define VBLANK_EVASION_TIME_US 100
#endif
/**
* intel_pipe_update_start() - start update of a set of display registers
* @new_crtc_state: the new crtc state
*
* Mark the start of an update to pipe registers that should be updated
* atomically regarding vblank. If the next vblank will happens within
* the next 100 us, this function waits until the vblank passes.
*
* After a successful call to this function, interrupts will be disabled
* until a subsequent call to intel_pipe_update_end(). That is done to
* avoid random delays.
*/
void intel_pipe_update_start(const struct intel_crtc_state *new_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
const struct drm_display_mode *adjusted_mode = &new_crtc_state->base.adjusted_mode;
long timeout = msecs_to_jiffies_timeout(1);
int scanline, min, max, vblank_start;
wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base);
bool need_vlv_dsi_wa = (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
intel_crtc_has_type(new_crtc_state, INTEL_OUTPUT_DSI);
DEFINE_WAIT(wait);
vblank_start = adjusted_mode->crtc_vblank_start;
if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
vblank_start = DIV_ROUND_UP(vblank_start, 2);
/* FIXME needs to be calibrated sensibly */
min = vblank_start - intel_usecs_to_scanlines(adjusted_mode,
VBLANK_EVASION_TIME_US);
max = vblank_start - 1;
local_irq_disable();
if (min <= 0 || max <= 0)
return;
if (WARN_ON(drm_crtc_vblank_get(&crtc->base)))
return;
crtc->debug.min_vbl = min;
crtc->debug.max_vbl = max;
trace_i915_pipe_update_start(crtc);
for (;;) {
/*
* prepare_to_wait() has a memory barrier, which guarantees
* other CPUs can see the task state update by the time we
* read the scanline.
*/
prepare_to_wait(wq, &wait, TASK_UNINTERRUPTIBLE);
scanline = intel_get_crtc_scanline(crtc);
if (scanline < min || scanline > max)
break;
if (timeout <= 0) {
DRM_ERROR("Potential atomic update failure on pipe %c\n",
pipe_name(crtc->pipe));
break;
}
local_irq_enable();
timeout = schedule_timeout(timeout);
local_irq_disable();
}
finish_wait(wq, &wait);
drm_crtc_vblank_put(&crtc->base);
/*
* On VLV/CHV DSI the scanline counter would appear to
* increment approx. 1/3 of a scanline before start of vblank.
* The registers still get latched at start of vblank however.
* This means we must not write any registers on the first
* line of vblank (since not the whole line is actually in
* vblank). And unfortunately we can't use the interrupt to
* wait here since it will fire too soon. We could use the
* frame start interrupt instead since it will fire after the
* critical scanline, but that would require more changes
* in the interrupt code. So for now we'll just do the nasty
* thing and poll for the bad scanline to pass us by.
*
* FIXME figure out if BXT+ DSI suffers from this as well
*/
while (need_vlv_dsi_wa && scanline == vblank_start)
scanline = intel_get_crtc_scanline(crtc);
crtc->debug.scanline_start = scanline;
crtc->debug.start_vbl_time = ktime_get();
crtc->debug.start_vbl_count = intel_crtc_get_vblank_counter(crtc);
trace_i915_pipe_update_vblank_evaded(crtc);
}
/**
* intel_pipe_update_end() - end update of a set of display registers
* @new_crtc_state: the new crtc state
*
* Mark the end of an update started with intel_pipe_update_start(). This
* re-enables interrupts and verifies the update was actually completed
* before a vblank.
*/
void intel_pipe_update_end(struct intel_crtc_state *new_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->base.crtc);
enum pipe pipe = crtc->pipe;
int scanline_end = intel_get_crtc_scanline(crtc);
u32 end_vbl_count = intel_crtc_get_vblank_counter(crtc);
ktime_t end_vbl_time = ktime_get();
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
trace_i915_pipe_update_end(crtc, end_vbl_count, scanline_end);
/* We're still in the vblank-evade critical section, this can't race.
* Would be slightly nice to just grab the vblank count and arm the
* event outside of the critical section - the spinlock might spin for a
* while ... */
if (new_crtc_state->base.event) {
WARN_ON(drm_crtc_vblank_get(&crtc->base) != 0);
spin_lock(&crtc->base.dev->event_lock);
drm_crtc_arm_vblank_event(&crtc->base, new_crtc_state->base.event);
spin_unlock(&crtc->base.dev->event_lock);
new_crtc_state->base.event = NULL;
}
local_irq_enable();
if (intel_vgpu_active(dev_priv))
return;
if (crtc->debug.start_vbl_count &&
crtc->debug.start_vbl_count != end_vbl_count) {
DRM_ERROR("Atomic update failure on pipe %c (start=%u end=%u) time %lld us, min %d, max %d, scanline start %d, end %d\n",
pipe_name(pipe), crtc->debug.start_vbl_count,
end_vbl_count,
ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time),
crtc->debug.min_vbl, crtc->debug.max_vbl,
crtc->debug.scanline_start, scanline_end);
}
#ifdef CONFIG_DRM_I915_DEBUG_VBLANK_EVADE
else if (ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time) >
VBLANK_EVASION_TIME_US)
DRM_WARN("Atomic update on pipe (%c) took %lld us, max time under evasion is %u us\n",
pipe_name(pipe),
ktime_us_delta(end_vbl_time, crtc->debug.start_vbl_time),
VBLANK_EVASION_TIME_US);
#endif
}
void
skl_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
u32 plane_ctl = plane_state->ctl;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 surf_addr = plane_state->main.offset;
unsigned int rotation = plane_state->base.rotation;
u32 stride = skl_plane_stride(fb, 0, rotation);
u32 aux_stride = skl_plane_stride(fb, 1, rotation);
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
uint32_t crtc_w = drm_rect_width(&plane_state->base.dst);
uint32_t crtc_h = drm_rect_height(&plane_state->base.dst);
uint32_t x = plane_state->main.x;
uint32_t y = plane_state->main.y;
uint32_t src_w = drm_rect_width(&plane_state->base.src) >> 16;
uint32_t src_h = drm_rect_height(&plane_state->base.src) >> 16;
unsigned long irqflags;
/* Sizes are 0 based */
src_w--;
src_h--;
crtc_w--;
crtc_h--;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
I915_WRITE_FW(PLANE_COLOR_CTL(pipe, plane_id),
plane_state->color_ctl);
if (key->flags) {
I915_WRITE_FW(PLANE_KEYVAL(pipe, plane_id), key->min_value);
I915_WRITE_FW(PLANE_KEYMAX(pipe, plane_id), key->max_value);
I915_WRITE_FW(PLANE_KEYMSK(pipe, plane_id), key->channel_mask);
}
I915_WRITE_FW(PLANE_OFFSET(pipe, plane_id), (y << 16) | x);
I915_WRITE_FW(PLANE_STRIDE(pipe, plane_id), stride);
I915_WRITE_FW(PLANE_SIZE(pipe, plane_id), (src_h << 16) | src_w);
I915_WRITE_FW(PLANE_AUX_DIST(pipe, plane_id),
(plane_state->aux.offset - surf_addr) | aux_stride);
I915_WRITE_FW(PLANE_AUX_OFFSET(pipe, plane_id),
(plane_state->aux.y << 16) | plane_state->aux.x);
/* program plane scaler */
if (plane_state->scaler_id >= 0) {
int scaler_id = plane_state->scaler_id;
const struct intel_scaler *scaler;
scaler = &crtc_state->scaler_state.scalers[scaler_id];
I915_WRITE_FW(SKL_PS_CTRL(pipe, scaler_id),
PS_SCALER_EN | PS_PLANE_SEL(plane_id) | scaler->mode);
I915_WRITE_FW(SKL_PS_PWR_GATE(pipe, scaler_id), 0);
I915_WRITE_FW(SKL_PS_WIN_POS(pipe, scaler_id), (crtc_x << 16) | crtc_y);
I915_WRITE_FW(SKL_PS_WIN_SZ(pipe, scaler_id),
((crtc_w + 1) << 16)|(crtc_h + 1));
I915_WRITE_FW(PLANE_POS(pipe, plane_id), 0);
} else {
I915_WRITE_FW(PLANE_POS(pipe, plane_id), (crtc_y << 16) | crtc_x);
}
I915_WRITE_FW(PLANE_CTL(pipe, plane_id), plane_ctl);
I915_WRITE_FW(PLANE_SURF(pipe, plane_id),
intel_plane_ggtt_offset(plane_state) + surf_addr);
POSTING_READ_FW(PLANE_SURF(pipe, plane_id));
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
void
skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(PLANE_CTL(pipe, plane_id), 0);
I915_WRITE_FW(PLANE_SURF(pipe, plane_id), 0);
POSTING_READ_FW(PLANE_SURF(pipe, plane_id));
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
bool
skl_plane_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
bool ret;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(PLANE_CTL(pipe, plane_id)) & PLANE_CTL_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static void
chv_update_csc(struct intel_plane *plane, uint32_t format)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum plane_id plane_id = plane->id;
/* Seems RGB data bypasses the CSC always */
if (!format_is_yuv(format))
return;
/*
* BT.601 limited range YCbCr -> full range RGB
*
* |r| | 6537 4769 0| |cr |
* |g| = |-3330 4769 -1605| x |y-64|
* |b| | 0 4769 8263| |cb |
*
* Cb and Cr apparently come in as signed already, so no
* need for any offset. For Y we need to remove the offset.
*/
I915_WRITE_FW(SPCSCYGOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
I915_WRITE_FW(SPCSCCBOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
I915_WRITE_FW(SPCSCCROFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
I915_WRITE_FW(SPCSCC01(plane_id), SPCSC_C1(4769) | SPCSC_C0(6537));
I915_WRITE_FW(SPCSCC23(plane_id), SPCSC_C1(-3330) | SPCSC_C0(0));
I915_WRITE_FW(SPCSCC45(plane_id), SPCSC_C1(-1605) | SPCSC_C0(4769));
I915_WRITE_FW(SPCSCC67(plane_id), SPCSC_C1(4769) | SPCSC_C0(0));
I915_WRITE_FW(SPCSCC8(plane_id), SPCSC_C0(8263));
I915_WRITE_FW(SPCSCYGICLAMP(plane_id), SPCSC_IMAX(940) | SPCSC_IMIN(64));
I915_WRITE_FW(SPCSCCBICLAMP(plane_id), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
I915_WRITE_FW(SPCSCCRICLAMP(plane_id), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
I915_WRITE_FW(SPCSCYGOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
I915_WRITE_FW(SPCSCCBOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
I915_WRITE_FW(SPCSCCROCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
}
static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 sprctl;
sprctl = SP_ENABLE | SP_GAMMA_ENABLE;
switch (fb->format->format) {
case DRM_FORMAT_YUYV:
sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY;
break;
case DRM_FORMAT_RGB565:
sprctl |= SP_FORMAT_BGR565;
break;
case DRM_FORMAT_XRGB8888:
sprctl |= SP_FORMAT_BGRX8888;
break;
case DRM_FORMAT_ARGB8888:
sprctl |= SP_FORMAT_BGRA8888;
break;
case DRM_FORMAT_XBGR2101010:
sprctl |= SP_FORMAT_RGBX1010102;
break;
case DRM_FORMAT_ABGR2101010:
sprctl |= SP_FORMAT_RGBA1010102;
break;
case DRM_FORMAT_XBGR8888:
sprctl |= SP_FORMAT_RGBX8888;
break;
case DRM_FORMAT_ABGR8888:
sprctl |= SP_FORMAT_RGBA8888;
break;
default:
MISSING_CASE(fb->format->format);
return 0;
}
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SP_TILED;
if (rotation & DRM_MODE_ROTATE_180)
sprctl |= SP_ROTATE_180;
if (rotation & DRM_MODE_REFLECT_X)
sprctl |= SP_MIRROR;
if (key->flags & I915_SET_COLORKEY_SOURCE)
sprctl |= SP_SOURCE_KEY;
return sprctl;
}
static void
vlv_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
u32 sprctl = plane_state->ctl;
u32 sprsurf_offset = plane_state->main.offset;
u32 linear_offset;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
uint32_t crtc_w = drm_rect_width(&plane_state->base.dst);
uint32_t crtc_h = drm_rect_height(&plane_state->base.dst);
uint32_t x = plane_state->main.x;
uint32_t y = plane_state->main.y;
unsigned long irqflags;
/* Sizes are 0 based */
crtc_w--;
crtc_h--;
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B)
chv_update_csc(plane, fb->format->format);
if (key->flags) {
I915_WRITE_FW(SPKEYMINVAL(pipe, plane_id), key->min_value);
I915_WRITE_FW(SPKEYMAXVAL(pipe, plane_id), key->max_value);
I915_WRITE_FW(SPKEYMSK(pipe, plane_id), key->channel_mask);
}
I915_WRITE_FW(SPSTRIDE(pipe, plane_id), fb->pitches[0]);
I915_WRITE_FW(SPPOS(pipe, plane_id), (crtc_y << 16) | crtc_x);
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
I915_WRITE_FW(SPTILEOFF(pipe, plane_id), (y << 16) | x);
else
I915_WRITE_FW(SPLINOFF(pipe, plane_id), linear_offset);
I915_WRITE_FW(SPCONSTALPHA(pipe, plane_id), 0);
I915_WRITE_FW(SPSIZE(pipe, plane_id), (crtc_h << 16) | crtc_w);
I915_WRITE_FW(SPCNTR(pipe, plane_id), sprctl);
I915_WRITE_FW(SPSURF(pipe, plane_id),
intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
POSTING_READ_FW(SPSURF(pipe, plane_id));
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
vlv_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
enum plane_id plane_id = plane->id;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(SPCNTR(pipe, plane_id), 0);
I915_WRITE_FW(SPSURF(pipe, plane_id), 0);
POSTING_READ_FW(SPSURF(pipe, plane_id));
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
vlv_plane_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum plane_id plane_id = plane->id;
enum pipe pipe = plane->pipe;
bool ret;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(SPCNTR(pipe, plane_id)) & SP_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv =
to_i915(plane_state->base.plane->dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 sprctl;
sprctl = SPRITE_ENABLE | SPRITE_GAMMA_ENABLE;
if (IS_IVYBRIDGE(dev_priv))
sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
sprctl |= SPRITE_PIPE_CSC_ENABLE;
switch (fb->format->format) {
case DRM_FORMAT_XBGR8888:
sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
break;
case DRM_FORMAT_XRGB8888:
sprctl |= SPRITE_FORMAT_RGBX888;
break;
case DRM_FORMAT_YUYV:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
break;
default:
MISSING_CASE(fb->format->format);
return 0;
}
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SPRITE_TILED;
if (rotation & DRM_MODE_ROTATE_180)
sprctl |= SPRITE_ROTATE_180;
if (key->flags & I915_SET_COLORKEY_DESTINATION)
sprctl |= SPRITE_DEST_KEY;
else if (key->flags & I915_SET_COLORKEY_SOURCE)
sprctl |= SPRITE_SOURCE_KEY;
return sprctl;
}
static void
ivb_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum pipe pipe = plane->pipe;
u32 sprctl = plane_state->ctl, sprscale = 0;
u32 sprsurf_offset = plane_state->main.offset;
u32 linear_offset;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
uint32_t crtc_w = drm_rect_width(&plane_state->base.dst);
uint32_t crtc_h = drm_rect_height(&plane_state->base.dst);
uint32_t x = plane_state->main.x;
uint32_t y = plane_state->main.y;
uint32_t src_w = drm_rect_width(&plane_state->base.src) >> 16;
uint32_t src_h = drm_rect_height(&plane_state->base.src) >> 16;
unsigned long irqflags;
/* Sizes are 0 based */
src_w--;
src_h--;
crtc_w--;
crtc_h--;
if (crtc_w != src_w || crtc_h != src_h)
sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
if (key->flags) {
I915_WRITE_FW(SPRKEYVAL(pipe), key->min_value);
I915_WRITE_FW(SPRKEYMAX(pipe), key->max_value);
I915_WRITE_FW(SPRKEYMSK(pipe), key->channel_mask);
}
I915_WRITE_FW(SPRSTRIDE(pipe), fb->pitches[0]);
I915_WRITE_FW(SPRPOS(pipe), (crtc_y << 16) | crtc_x);
/* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
* register */
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
I915_WRITE_FW(SPROFFSET(pipe), (y << 16) | x);
else if (fb->modifier == I915_FORMAT_MOD_X_TILED)
I915_WRITE_FW(SPRTILEOFF(pipe), (y << 16) | x);
else
I915_WRITE_FW(SPRLINOFF(pipe), linear_offset);
I915_WRITE_FW(SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
if (plane->can_scale)
I915_WRITE_FW(SPRSCALE(pipe), sprscale);
I915_WRITE_FW(SPRCTL(pipe), sprctl);
I915_WRITE_FW(SPRSURF(pipe),
intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
POSTING_READ_FW(SPRSURF(pipe));
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
ivb_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(SPRCTL(pipe), 0);
/* Can't leave the scaler enabled... */
if (plane->can_scale)
I915_WRITE_FW(SPRSCALE(pipe), 0);
I915_WRITE_FW(SPRSURF(pipe), 0);
POSTING_READ_FW(SPRSURF(pipe));
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
ivb_plane_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum pipe pipe = plane->pipe;
bool ret;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(SPRCTL(pipe)) & SPRITE_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv =
to_i915(plane_state->base.plane->dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
unsigned int rotation = plane_state->base.rotation;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
u32 dvscntr;
dvscntr = DVS_ENABLE | DVS_GAMMA_ENABLE;
if (IS_GEN6(dev_priv))
dvscntr |= DVS_TRICKLE_FEED_DISABLE;
switch (fb->format->format) {
case DRM_FORMAT_XBGR8888:
dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
break;
case DRM_FORMAT_XRGB8888:
dvscntr |= DVS_FORMAT_RGBX888;
break;
case DRM_FORMAT_YUYV:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
break;
case DRM_FORMAT_YVYU:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
break;
case DRM_FORMAT_UYVY:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
break;
case DRM_FORMAT_VYUY:
dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
break;
default:
MISSING_CASE(fb->format->format);
return 0;
}
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
dvscntr |= DVS_TILED;
if (rotation & DRM_MODE_ROTATE_180)
dvscntr |= DVS_ROTATE_180;
if (key->flags & I915_SET_COLORKEY_DESTINATION)
dvscntr |= DVS_DEST_KEY;
else if (key->flags & I915_SET_COLORKEY_SOURCE)
dvscntr |= DVS_SOURCE_KEY;
return dvscntr;
}
static void
g4x_update_plane(struct intel_plane *plane,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum pipe pipe = plane->pipe;
u32 dvscntr = plane_state->ctl, dvsscale = 0;
u32 dvssurf_offset = plane_state->main.offset;
u32 linear_offset;
const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
int crtc_x = plane_state->base.dst.x1;
int crtc_y = plane_state->base.dst.y1;
uint32_t crtc_w = drm_rect_width(&plane_state->base.dst);
uint32_t crtc_h = drm_rect_height(&plane_state->base.dst);
uint32_t x = plane_state->main.x;
uint32_t y = plane_state->main.y;
uint32_t src_w = drm_rect_width(&plane_state->base.src) >> 16;
uint32_t src_h = drm_rect_height(&plane_state->base.src) >> 16;
unsigned long irqflags;
/* Sizes are 0 based */
src_w--;
src_h--;
crtc_w--;
crtc_h--;
if (crtc_w != src_w || crtc_h != src_h)
dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
if (key->flags) {
I915_WRITE_FW(DVSKEYVAL(pipe), key->min_value);
I915_WRITE_FW(DVSKEYMAX(pipe), key->max_value);
I915_WRITE_FW(DVSKEYMSK(pipe), key->channel_mask);
}
I915_WRITE_FW(DVSSTRIDE(pipe), fb->pitches[0]);
I915_WRITE_FW(DVSPOS(pipe), (crtc_y << 16) | crtc_x);
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
I915_WRITE_FW(DVSTILEOFF(pipe), (y << 16) | x);
else
I915_WRITE_FW(DVSLINOFF(pipe), linear_offset);
I915_WRITE_FW(DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
I915_WRITE_FW(DVSSCALE(pipe), dvsscale);
I915_WRITE_FW(DVSCNTR(pipe), dvscntr);
I915_WRITE_FW(DVSSURF(pipe),
intel_plane_ggtt_offset(plane_state) + dvssurf_offset);
POSTING_READ_FW(DVSSURF(pipe));
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void
g4x_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum pipe pipe = plane->pipe;
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
I915_WRITE_FW(DVSCNTR(pipe), 0);
/* Disable the scaler */
I915_WRITE_FW(DVSSCALE(pipe), 0);
I915_WRITE_FW(DVSSURF(pipe), 0);
POSTING_READ_FW(DVSSURF(pipe));
spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static bool
g4x_plane_get_hw_state(struct intel_plane *plane)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
enum intel_display_power_domain power_domain;
enum pipe pipe = plane->pipe;
bool ret;
power_domain = POWER_DOMAIN_PIPE(pipe);
if (!intel_display_power_get_if_enabled(dev_priv, power_domain))
return false;
ret = I915_READ(DVSCNTR(pipe)) & DVS_ENABLE;
intel_display_power_put(dev_priv, power_domain);
return ret;
}
static int
intel_check_sprite_plane(struct intel_plane *plane,
struct intel_crtc_state *crtc_state,
struct intel_plane_state *state)
{
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
struct drm_framebuffer *fb = state->base.fb;
int crtc_x, crtc_y;
unsigned int crtc_w, crtc_h;
uint32_t src_x, src_y, src_w, src_h;
struct drm_rect *src = &state->base.src;
struct drm_rect *dst = &state->base.dst;
const struct drm_rect *clip = &state->clip;
int hscale, vscale;
int max_scale, min_scale;
bool can_scale;
int ret;
*src = drm_plane_state_src(&state->base);
*dst = drm_plane_state_dest(&state->base);
if (!fb) {
state->base.visible = false;
return 0;
}
/* Don't modify another pipe's plane */
if (plane->pipe != crtc->pipe) {
DRM_DEBUG_KMS("Wrong plane <-> crtc mapping\n");
return -EINVAL;
}
/* FIXME check all gen limits */
if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) {
DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n");
return -EINVAL;
}
/* setup can_scale, min_scale, max_scale */
if (INTEL_GEN(dev_priv) >= 9) {
/* use scaler when colorkey is not required */
if (state->ckey.flags == I915_SET_COLORKEY_NONE) {
can_scale = 1;
min_scale = 1;
max_scale = skl_max_scale(crtc, crtc_state);
} else {
can_scale = 0;
min_scale = DRM_PLANE_HELPER_NO_SCALING;
max_scale = DRM_PLANE_HELPER_NO_SCALING;
}
} else {
can_scale = plane->can_scale;
max_scale = plane->max_downscale << 16;
min_scale = plane->can_scale ? 1 : (1 << 16);
}
/*
* FIXME the following code does a bunch of fuzzy adjustments to the
* coordinates and sizes. We probably need some way to decide whether
* more strict checking should be done instead.
*/
drm_rect_rotate(src, fb->width << 16, fb->height << 16,
state->base.rotation);
hscale = drm_rect_calc_hscale_relaxed(src, dst, min_scale, max_scale);
BUG_ON(hscale < 0);
vscale = drm_rect_calc_vscale_relaxed(src, dst, min_scale, max_scale);
BUG_ON(vscale < 0);
state->base.visible = drm_rect_clip_scaled(src, dst, clip, hscale, vscale);
crtc_x = dst->x1;
crtc_y = dst->y1;
crtc_w = drm_rect_width(dst);
crtc_h = drm_rect_height(dst);
if (state->base.visible) {
/* check again in case clipping clamped the results */
hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
if (hscale < 0) {
DRM_DEBUG_KMS("Horizontal scaling factor out of limits\n");
drm_rect_debug_print("src: ", src, true);
drm_rect_debug_print("dst: ", dst, false);
return hscale;
}
vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale);
if (vscale < 0) {
DRM_DEBUG_KMS("Vertical scaling factor out of limits\n");
drm_rect_debug_print("src: ", src, true);
drm_rect_debug_print("dst: ", dst, false);
return vscale;
}
/* Make the source viewport size an exact multiple of the scaling factors. */
drm_rect_adjust_size(src,
drm_rect_width(dst) * hscale - drm_rect_width(src),
drm_rect_height(dst) * vscale - drm_rect_height(src));
drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16,
state->base.rotation);
/* sanity check to make sure the src viewport wasn't enlarged */
WARN_ON(src->x1 < (int) state->base.src_x ||
src->y1 < (int) state->base.src_y ||
src->x2 > (int) state->base.src_x + state->base.src_w ||
src->y2 > (int) state->base.src_y + state->base.src_h);
/*
* Hardware doesn't handle subpixel coordinates.
* Adjust to (macro)pixel boundary, but be careful not to
* increase the source viewport size, because that could
* push the downscaling factor out of bounds.
*/
src_x = src->x1 >> 16;
src_w = drm_rect_width(src) >> 16;
src_y = src->y1 >> 16;
src_h = drm_rect_height(src) >> 16;
if (format_is_yuv(fb->format->format)) {
src_x &= ~1;
src_w &= ~1;
/*
* Must keep src and dst the
* same if we can't scale.
*/
if (!can_scale)
crtc_w &= ~1;
if (crtc_w == 0)
state->base.visible = false;
}
}
/* Check size restrictions when scaling */
if (state->base.visible && (src_w != crtc_w || src_h != crtc_h)) {
unsigned int width_bytes;
int cpp = fb->format->cpp[0];
WARN_ON(!can_scale);
/* FIXME interlacing min height is 6 */
if (crtc_w < 3 || crtc_h < 3)
state->base.visible = false;
if (src_w < 3 || src_h < 3)
state->base.visible = false;
width_bytes = ((src_x * cpp) & 63) + src_w * cpp;
if (INTEL_GEN(dev_priv) < 9 && (src_w > 2048 || src_h > 2048 ||
width_bytes > 4096 || fb->pitches[0] > 4096)) {
DRM_DEBUG_KMS("Source dimensions exceed hardware limits\n");
return -EINVAL;
}
}
if (state->base.visible) {
src->x1 = src_x << 16;
src->x2 = (src_x + src_w) << 16;
src->y1 = src_y << 16;
src->y2 = (src_y + src_h) << 16;
}
dst->x1 = crtc_x;
dst->x2 = crtc_x + crtc_w;
dst->y1 = crtc_y;
dst->y2 = crtc_y + crtc_h;
if (INTEL_GEN(dev_priv) >= 9) {
ret = skl_check_plane_surface(state);
if (ret)
return ret;
state->ctl = skl_plane_ctl(crtc_state, state);
} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
ret = i9xx_check_plane_surface(state);
if (ret)
return ret;
state->ctl = vlv_sprite_ctl(crtc_state, state);
} else if (INTEL_GEN(dev_priv) >= 7) {
ret = i9xx_check_plane_surface(state);
if (ret)
return ret;
state->ctl = ivb_sprite_ctl(crtc_state, state);
} else {
ret = i9xx_check_plane_surface(state);
if (ret)
return ret;
state->ctl = g4x_sprite_ctl(crtc_state, state);
}
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
state->color_ctl = glk_plane_color_ctl(crtc_state, state);
return 0;
}
int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_i915_private *dev_priv = to_i915(dev);
struct drm_intel_sprite_colorkey *set = data;
struct drm_plane *plane;
struct drm_plane_state *plane_state;
struct drm_atomic_state *state;
struct drm_modeset_acquire_ctx ctx;
int ret = 0;
/* Make sure we don't try to enable both src & dest simultaneously */
if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
return -EINVAL;
if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
set->flags & I915_SET_COLORKEY_DESTINATION)
return -EINVAL;
plane = drm_plane_find(dev, file_priv, set->plane_id);
if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY)
return -ENOENT;
drm_modeset_acquire_init(&ctx, 0);
state = drm_atomic_state_alloc(plane->dev);
if (!state) {
ret = -ENOMEM;
goto out;
}
state->acquire_ctx = &ctx;
while (1) {
plane_state = drm_atomic_get_plane_state(state, plane);
ret = PTR_ERR_OR_ZERO(plane_state);
if (!ret) {
to_intel_plane_state(plane_state)->ckey = *set;
ret = drm_atomic_commit(state);
}
if (ret != -EDEADLK)
break;
drm_atomic_state_clear(state);
drm_modeset_backoff(&ctx);
}
drm_atomic_state_put(state);
out:
drm_modeset_drop_locks(&ctx);
drm_modeset_acquire_fini(&ctx);
return ret;
}
static const uint32_t g4x_plane_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const uint64_t i9xx_plane_format_modifiers[] = {
I915_FORMAT_MOD_X_TILED,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
static const uint32_t snb_plane_formats[] = {
DRM_FORMAT_XBGR8888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const uint32_t vlv_plane_formats[] = {
DRM_FORMAT_RGB565,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XBGR2101010,
DRM_FORMAT_ABGR2101010,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static uint32_t skl_plane_formats[] = {
DRM_FORMAT_RGB565,
DRM_FORMAT_ABGR8888,
DRM_FORMAT_ARGB8888,
DRM_FORMAT_XBGR8888,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_YUYV,
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
};
static const uint64_t skl_plane_format_modifiers[] = {
I915_FORMAT_MOD_X_TILED,
DRM_FORMAT_MOD_LINEAR,
DRM_FORMAT_MOD_INVALID
};
static bool g4x_sprite_plane_format_mod_supported(struct drm_plane *plane,
uint32_t format,
uint64_t modifier)
{
switch (format) {
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED)
return true;
/* fall through */
default:
return false;
}
}
static bool vlv_sprite_plane_format_mod_supported(struct drm_plane *plane,
uint32_t format,
uint64_t modifier)
{
switch (format) {
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ABGR8888:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED)
return true;
/* fall through */
default:
return false;
}
}
static bool skl_sprite_plane_format_mod_supported(struct drm_plane *plane,
uint32_t format,
uint64_t modifier)
{
/* This is the same as primary plane since SKL has universal planes */
switch (format) {
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
if (modifier == I915_FORMAT_MOD_Yf_TILED)
return true;
/* fall through */
case DRM_FORMAT_C8:
if (modifier == DRM_FORMAT_MOD_LINEAR ||
modifier == I915_FORMAT_MOD_X_TILED ||
modifier == I915_FORMAT_MOD_Y_TILED)
return true;
/* fall through */
default:
return false;
}
}
static bool intel_sprite_plane_format_mod_supported(struct drm_plane *plane,
uint32_t format,
uint64_t modifier)
{
struct drm_i915_private *dev_priv = to_i915(plane->dev);
if (WARN_ON(modifier == DRM_FORMAT_MOD_INVALID))
return false;
if ((modifier >> 56) != DRM_FORMAT_MOD_VENDOR_INTEL &&
modifier != DRM_FORMAT_MOD_LINEAR)
return false;
if (INTEL_GEN(dev_priv) >= 9)
return skl_sprite_plane_format_mod_supported(plane, format, modifier);
else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
return vlv_sprite_plane_format_mod_supported(plane, format, modifier);
else
return g4x_sprite_plane_format_mod_supported(plane, format, modifier);
unreachable();
}
static const struct drm_plane_funcs intel_sprite_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.destroy = intel_plane_destroy,
.atomic_get_property = intel_plane_atomic_get_property,
.atomic_set_property = intel_plane_atomic_set_property,
.atomic_duplicate_state = intel_plane_duplicate_state,
.atomic_destroy_state = intel_plane_destroy_state,
.format_mod_supported = intel_sprite_plane_format_mod_supported,
};
struct intel_plane *
intel_sprite_plane_create(struct drm_i915_private *dev_priv,
enum pipe pipe, int plane)
{
struct intel_plane *intel_plane = NULL;
struct intel_plane_state *state = NULL;
unsigned long possible_crtcs;
const uint32_t *plane_formats;
const uint64_t *modifiers;
unsigned int supported_rotations;
int num_plane_formats;
int ret;
intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL);
if (!intel_plane) {
ret = -ENOMEM;
goto fail;
}
state = intel_create_plane_state(&intel_plane->base);
if (!state) {
ret = -ENOMEM;
goto fail;
}
intel_plane->base.state = &state->base;
if (INTEL_GEN(dev_priv) >= 10) {
intel_plane->can_scale = true;
state->scaler_id = -1;
intel_plane->update_plane = skl_update_plane;
intel_plane->disable_plane = skl_disable_plane;
intel_plane->get_hw_state = skl_plane_get_hw_state;
plane_formats = skl_plane_formats;
num_plane_formats = ARRAY_SIZE(skl_plane_formats);
modifiers = skl_plane_format_modifiers;
} else if (INTEL_GEN(dev_priv) >= 9) {
intel_plane->can_scale = true;
state->scaler_id = -1;
intel_plane->update_plane = skl_update_plane;
intel_plane->disable_plane = skl_disable_plane;
intel_plane->get_hw_state = skl_plane_get_hw_state;
plane_formats = skl_plane_formats;
num_plane_formats = ARRAY_SIZE(skl_plane_formats);
modifiers = skl_plane_format_modifiers;
} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
intel_plane->can_scale = false;
intel_plane->max_downscale = 1;
intel_plane->update_plane = vlv_update_plane;
intel_plane->disable_plane = vlv_disable_plane;
intel_plane->get_hw_state = vlv_plane_get_hw_state;
plane_formats = vlv_plane_formats;
num_plane_formats = ARRAY_SIZE(vlv_plane_formats);
modifiers = i9xx_plane_format_modifiers;
} else if (INTEL_GEN(dev_priv) >= 7) {
if (IS_IVYBRIDGE(dev_priv)) {
intel_plane->can_scale = true;
intel_plane->max_downscale = 2;
} else {
intel_plane->can_scale = false;
intel_plane->max_downscale = 1;
}
intel_plane->update_plane = ivb_update_plane;
intel_plane->disable_plane = ivb_disable_plane;
intel_plane->get_hw_state = ivb_plane_get_hw_state;
plane_formats = snb_plane_formats;
num_plane_formats = ARRAY_SIZE(snb_plane_formats);
modifiers = i9xx_plane_format_modifiers;
} else {
intel_plane->can_scale = true;
intel_plane->max_downscale = 16;
intel_plane->update_plane = g4x_update_plane;
intel_plane->disable_plane = g4x_disable_plane;
intel_plane->get_hw_state = g4x_plane_get_hw_state;
modifiers = i9xx_plane_format_modifiers;
if (IS_GEN6(dev_priv)) {
plane_formats = snb_plane_formats;
num_plane_formats = ARRAY_SIZE(snb_plane_formats);
} else {
plane_formats = g4x_plane_formats;
num_plane_formats = ARRAY_SIZE(g4x_plane_formats);
}
}
if (INTEL_GEN(dev_priv) >= 9) {
supported_rotations =
DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 |
DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270;
} else if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
supported_rotations =
DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 |
DRM_MODE_REFLECT_X;
} else {
supported_rotations =
DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
}
intel_plane->pipe = pipe;
intel_plane->i9xx_plane = plane;
intel_plane->id = PLANE_SPRITE0 + plane;
intel_plane->frontbuffer_bit = INTEL_FRONTBUFFER_SPRITE(pipe, plane);
intel_plane->check_plane = intel_check_sprite_plane;
possible_crtcs = (1 << pipe);
if (INTEL_GEN(dev_priv) >= 9)
ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base,
possible_crtcs, &intel_sprite_plane_funcs,
plane_formats, num_plane_formats,
modifiers,
DRM_PLANE_TYPE_OVERLAY,
"plane %d%c", plane + 2, pipe_name(pipe));
else
ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base,
possible_crtcs, &intel_sprite_plane_funcs,
plane_formats, num_plane_formats,
modifiers,
DRM_PLANE_TYPE_OVERLAY,
"sprite %c", sprite_name(pipe, plane));
if (ret)
goto fail;
drm_plane_create_rotation_property(&intel_plane->base,
DRM_MODE_ROTATE_0,
supported_rotations);
drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs);
return intel_plane;
fail:
kfree(state);
kfree(intel_plane);
return ERR_PTR(ret);
}
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