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drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c 

drm_plane_helper_check_update() isn't a transitional helper, so let's
rename it to drm_atomic_helper_check_plane_state() and move it into
drm_atomic_helper.c.

v2: Fix the WARNs about plane_state->crtc matching crtc_state->crtc

Cc: Daniel Vetter <daniel@ffwll.ch>
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171101201619.6175-1-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2017-11-01 22:16:19 +02:00
parent 10b47ee02d
commit a01cb8ba3f
17 changed files with 169 additions and 165 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/arm/hdlcd_crtc.c
View File

@ -252,10 +252,10 @@ static int hdlcd_plane_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
return drm_plane_helper_check_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
return drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
}
static void hdlcd_plane_atomic_update(struct drm_plane *plane,

4
drivers/gpu/drm/arm/malidp_planes.c
View File

@ -150,8 +150,8 @@ static int malidp_se_check_scaling(struct malidp_plane *mp,
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
ret = drm_plane_helper_check_state(state, crtc_state, &clip,
0, INT_MAX, true, true);
ret = drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
0, INT_MAX, true, true);
if (ret)
return ret;

94
drivers/gpu/drm/drm_atomic_helper.c
View File

@ -695,6 +695,100 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
}
EXPORT_SYMBOL(drm_atomic_helper_check_modeset);
/**
* drm_atomic_helper_check_plane_state() - Check plane state for validity
* @plane_state: plane state to check
* @crtc_state: crtc state to check
* @clip: integer clipping coordinates
* @min_scale: minimum @src:@dest scaling factor in 16.16 fixed point
* @max_scale: maximum @src:@dest scaling factor in 16.16 fixed point
* @can_position: is it legal to position the plane such that it
* doesn't cover the entire crtc? This will generally
* only be false for primary planes.
* @can_update_disabled: can the plane be updated while the crtc
* is disabled?
*
* Checks that a desired plane update is valid, and updates various
* bits of derived state (clipped coordinates etc.). Drivers that provide
* their own plane handling rather than helper-provided implementations may
* still wish to call this function to avoid duplication of error checking
* code.
*
* RETURNS:
* Zero if update appears valid, error code on failure
*/
int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state,
const struct drm_crtc_state *crtc_state,
const struct drm_rect *clip,
int min_scale,
int max_scale,
bool can_position,
bool can_update_disabled)
{
struct drm_framebuffer *fb = plane_state->fb;
struct drm_rect *src = &plane_state->src;
struct drm_rect *dst = &plane_state->dst;
unsigned int rotation = plane_state->rotation;
int hscale, vscale;
WARN_ON(plane_state->crtc && plane_state->crtc != crtc_state->crtc);
*src = drm_plane_state_src(plane_state);
*dst = drm_plane_state_dest(plane_state);
if (!fb) {
plane_state->visible = false;
return 0;
}
/* crtc should only be NULL when disabling (i.e., !fb) */
if (WARN_ON(!plane_state->crtc)) {
plane_state->visible = false;
return 0;
}
if (!crtc_state->enable && !can_update_disabled) {
DRM_DEBUG_KMS("Cannot update plane of a disabled CRTC.\n");
return -EINVAL;
}
drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation);
/* Check scaling */
hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale);
if (hscale < 0 || vscale < 0) {
DRM_DEBUG_KMS("Invalid scaling of plane\n");
drm_rect_debug_print("src: ", &plane_state->src, true);
drm_rect_debug_print("dst: ", &plane_state->dst, false);
return -ERANGE;
}
plane_state->visible = drm_rect_clip_scaled(src, dst, clip, hscale, vscale);
drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, rotation);
if (!plane_state->visible)
/*
* Plane isn't visible; some drivers can handle this
* so we just return success here. Drivers that can't
* (including those that use the primary plane helper's
* update function) will return an error from their
* update_plane handler.
*/
return 0;
if (!can_position && !drm_rect_equals(dst, clip)) {
DRM_DEBUG_KMS("Plane must cover entire CRTC\n");
drm_rect_debug_print("dst: ", dst, false);
drm_rect_debug_print("clip: ", clip, false);
return -EINVAL;
}
return 0;
}
EXPORT_SYMBOL(drm_atomic_helper_check_plane_state);
/**
* drm_atomic_helper_check_planes - validate state object for planes changes
* @dev: DRM device

102
drivers/gpu/drm/drm_plane_helper.c
View File

@ -99,100 +99,6 @@ static int get_connectors_for_crtc(struct drm_crtc *crtc,
return count;
}
/**
* drm_plane_helper_check_state() - Check plane state for validity
* @plane_state: plane state to check
* @crtc_state: crtc state to check
* @clip: integer clipping coordinates
* @min_scale: minimum @src:@dest scaling factor in 16.16 fixed point
* @max_scale: maximum @src:@dest scaling factor in 16.16 fixed point
* @can_position: is it legal to position the plane such that it
* doesn't cover the entire crtc? This will generally
* only be false for primary planes.
* @can_update_disabled: can the plane be updated while the crtc
* is disabled?
*
* Checks that a desired plane update is valid, and updates various
* bits of derived state (clipped coordinates etc.). Drivers that provide
* their own plane handling rather than helper-provided implementations may
* still wish to call this function to avoid duplication of error checking
* code.
*
* RETURNS:
* Zero if update appears valid, error code on failure
*/
int drm_plane_helper_check_state(struct drm_plane_state *plane_state,
const struct drm_crtc_state *crtc_state,
const struct drm_rect *clip,
int min_scale,
int max_scale,
bool can_position,
bool can_update_disabled)
{
struct drm_framebuffer *fb = plane_state->fb;
struct drm_rect *src = &plane_state->src;
struct drm_rect *dst = &plane_state->dst;
unsigned int rotation = plane_state->rotation;
int hscale, vscale;
WARN_ON(plane_state->crtc && plane_state->crtc != crtc_state->crtc);
*src = drm_plane_state_src(plane_state);
*dst = drm_plane_state_dest(plane_state);
if (!fb) {
plane_state->visible = false;
return 0;
}
/* crtc should only be NULL when disabling (i.e., !fb) */
if (WARN_ON(!plane_state->crtc)) {
plane_state->visible = false;
return 0;
}
if (!crtc_state->enable && !can_update_disabled) {
DRM_DEBUG_KMS("Cannot update plane of a disabled CRTC.\n");
return -EINVAL;
}
drm_rect_rotate(src, fb->width << 16, fb->height << 16, rotation);
/* Check scaling */
hscale = drm_rect_calc_hscale(src, dst, min_scale, max_scale);
vscale = drm_rect_calc_vscale(src, dst, min_scale, max_scale);
if (hscale < 0 || vscale < 0) {
DRM_DEBUG_KMS("Invalid scaling of plane\n");
drm_rect_debug_print("src: ", &plane_state->src, true);
drm_rect_debug_print("dst: ", &plane_state->dst, false);
return -ERANGE;
}
plane_state->visible = drm_rect_clip_scaled(src, dst, clip, hscale, vscale);
drm_rect_rotate_inv(src, fb->width << 16, fb->height << 16, rotation);
if (!plane_state->visible)
/*
* Plane isn't visible; some drivers can handle this
* so we just return success here. Drivers that can't
* (including those that use the primary plane helper's
* update function) will return an error from their
* update_plane handler.
*/
return 0;
if (!can_position && !drm_rect_equals(dst, clip)) {
DRM_DEBUG_KMS("Plane must cover entire CRTC\n");
drm_rect_debug_print("dst: ", dst, false);
drm_rect_debug_print("clip: ", clip, false);
return -EINVAL;
}
return 0;
}
EXPORT_SYMBOL(drm_plane_helper_check_state);
/**
* drm_plane_helper_check_update() - Check plane update for validity
* @plane: plane object to update
@ -254,10 +160,10 @@ int drm_plane_helper_check_update(struct drm_plane *plane,
};
int ret;
ret = drm_plane_helper_check_state(&plane_state, &crtc_state, clip,
min_scale, max_scale,
can_position,
can_update_disabled);
ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state,
clip, min_scale, max_scale,
can_position,
can_update_disabled);
if (ret)
return ret;

9
drivers/gpu/drm/drm_simple_kms_helper.c
View File

@ -103,10 +103,11 @@ static int drm_simple_kms_plane_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
ret = drm_plane_helper_check_state(plane_state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
ret = drm_atomic_helper_check_plane_state(plane_state, crtc_state,
&clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
if (ret)
return ret;

22
drivers/gpu/drm/i915/intel_display.c
View File

@ -9418,12 +9418,12 @@ static int intel_check_cursor(struct intel_crtc_state *crtc_state,
u32 offset;
int ret;
ret = drm_plane_helper_check_state(&plane_state->base,
&crtc_state->base,
&plane_state->clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
ret = drm_atomic_helper_check_plane_state(&plane_state->base,
&crtc_state->base,
&plane_state->clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
if (ret)
return ret;
@ -12842,11 +12842,11 @@ intel_check_primary_plane(struct intel_plane *plane,
can_position = true;
}
ret = drm_plane_helper_check_state(&state->base,
&crtc_state->base,
&state->clip,
min_scale, max_scale,
can_position, true);
ret = drm_atomic_helper_check_plane_state(&state->base,
&crtc_state->base,
&state->clip,
min_scale, max_scale,
can_position, true);
if (ret)
return ret;

8
drivers/gpu/drm/imx/ipuv3-plane.c
View File

@ -342,10 +342,10 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
clip.y1 = 0;
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
ret = drm_plane_helper_check_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
can_position, true);
ret = drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
can_position, true);
if (ret)
return ret;

8
drivers/gpu/drm/mediatek/mtk_drm_plane.c
View File

@ -111,10 +111,10 @@ static int mtk_plane_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->mode.hdisplay;
clip.y2 = crtc_state->mode.vdisplay;
return drm_plane_helper_check_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
return drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
}
static void mtk_plane_atomic_update(struct drm_plane *plane,

8
drivers/gpu/drm/meson/meson_plane.c
View File

@ -61,10 +61,10 @@ static int meson_plane_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->mode.hdisplay;
clip.y2 = crtc_state->mode.vdisplay;
return drm_plane_helper_check_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
return drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
}
/* Takes a fixed 16.16 number and converts it to integer. */

5
drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
View File

@ -348,8 +348,9 @@ static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state,
min_scale = FRAC_16_16(1, 8);
max_scale = FRAC_16_16(8, 1);
ret = drm_plane_helper_check_state(state, crtc_state, &clip,
min_scale, max_scale, true, true);
ret = drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
min_scale, max_scale,
true, true);
if (ret)
return ret;

20
drivers/gpu/drm/nouveau/nv50_display.c
View File

@ -1143,11 +1143,11 @@ nv50_curs_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
{
int ret;
ret = drm_plane_helper_check_state(&asyw->state, &asyh->state,
&asyw->clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
&asyw->clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, true);
asyh->curs.visible = asyw->state.visible;
if (ret || !asyh->curs.visible)
return ret;
@ -1433,11 +1433,11 @@ nv50_base_acquire(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw,
if (!fb->format->depth)
return -EINVAL;
ret = drm_plane_helper_check_state(&asyw->state, &asyh->state,
&asyw->clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
ret = drm_atomic_helper_check_plane_state(&asyw->state, &asyh->state,
&asyw->clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
if (ret)
return ret;

6
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
View File

@ -659,9 +659,9 @@ static int vop_plane_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
ret = drm_plane_helper_check_state(state, crtc_state, &clip,
min_scale, max_scale,
true, true);
ret = drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
min_scale, max_scale,
true, true);
if (ret)
return ret;

4
drivers/gpu/drm/tegra/dc.c
View File

@ -500,8 +500,8 @@ static int tegra_plane_state_add(struct tegra_plane *plane,
clip.y2 = crtc_state->mode.vdisplay;
/* Check plane state for visibility and calculate clipping bounds */
err = drm_plane_helper_check_state(state, crtc_state, &clip,
0, INT_MAX, true, true);
err = drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
0, INT_MAX, true, true);
if (err < 0)
return err;

8
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -454,10 +454,10 @@ int vmw_du_primary_plane_atomic_check(struct drm_plane *plane,
clip.y2 = crtc_state->adjusted_mode.vdisplay;
}
ret = drm_plane_helper_check_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
ret = drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
if (!ret && new_fb) {
struct drm_crtc *crtc = state->crtc;

15
drivers/gpu/drm/zte/zx_plane.c
View File

@ -80,9 +80,9 @@ static int zx_vl_plane_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
return drm_plane_helper_check_state(plane_state, crtc_state, &clip,
min_scale, max_scale,
true, true);
return drm_atomic_helper_check_plane_state(plane_state, crtc_state,
&clip, min_scale, max_scale,
true, true);
}
static int zx_vl_get_fmt(uint32_t format)
@ -315,10 +315,11 @@ static int zx_gl_plane_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
return drm_plane_helper_check_state(plane_state, crtc_state, &clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
return drm_atomic_helper_check_plane_state(plane_state, crtc_state,
&clip,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, true);
}
static int zx_gl_get_fmt(uint32_t format)

7
include/drm/drm_atomic_helper.h
View File

@ -38,6 +38,13 @@ struct drm_private_state;
int drm_atomic_helper_check_modeset(struct drm_device *dev,
struct drm_atomic_state *state);
int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state,
const struct drm_crtc_state *crtc_state,
const struct drm_rect *clip,
int min_scale,
int max_scale,
bool can_position,
bool can_update_disabled);
int drm_atomic_helper_check_planes(struct drm_device *dev,
struct drm_atomic_state *state);
int drm_atomic_helper_check(struct drm_device *dev,

6
include/drm/drm_plane_helper.h
View File

@ -38,12 +38,6 @@
*/
#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
int drm_plane_helper_check_state(struct drm_plane_state *plane_state,
const struct drm_crtc_state *crtc_state,
const struct drm_rect *clip,
int min_scale, int max_scale,
bool can_position,
bool can_update_disabled);
int drm_plane_helper_check_update(struct drm_plane *plane,
struct drm_crtc *crtc,
struct drm_framebuffer *fb,