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drm/nouveau: store i2c port pointer directly in nouveau_encoder 

This is about to become somewhat more complicated to determine in a
number of cases, so store the "common" case (DDC/AUX) directly inside
the encoder structure.

Pre-nv50 code not touched except to fill the pointer, don't care.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-02-11 20:15:03 +10:00
parent df3ef6a109
commit 5ed502096f
5 changed files with 33 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/nouveau/nouveau_connector.c
View File

@ -112,7 +112,6 @@ nouveau_connector_ddc_detect(struct drm_connector *connector,
struct nouveau_connector *nv_connector = nouveau_connector(connector);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct nouveau_i2c_port *port = NULL;
int i, panel = -ENODEV;
@ -142,8 +141,7 @@ nouveau_connector_ddc_detect(struct drm_connector *connector,
continue;
nv_encoder = nouveau_encoder(obj_to_encoder(obj));
if (nv_encoder->dcb->i2c_index < 0xf)
port = i2c->find(i2c, nv_encoder->dcb->i2c_index);
port = nv_encoder->i2c;
if (port && nv_probe_i2c(port, 0x50)) {
*pnv_encoder = nv_encoder;
break;

10
drivers/gpu/drm/nouveau/nouveau_dp.c
View File

@ -238,13 +238,12 @@ nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate,
nouveau_encoder_connector_get(nv_encoder);
struct drm_device *dev = encoder->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
const u32 bw_list[] = { 270000, 162000, 0 };
const u32 *link_bw = bw_list;
struct dp_state dp;
dp.auxch = i2c->find(i2c, nv_encoder->dcb->i2c_index);
dp.auxch = nv_encoder->i2c;
if (!dp.auxch)
return false;
@ -311,12 +310,10 @@ nouveau_dp_dpms(struct drm_encoder *encoder, int mode, u32 datarate,
struct nouveau_object *core)
{
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct nouveau_drm *drm = nouveau_drm(encoder->dev);
struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct nouveau_i2c_port *auxch;
u8 status;
auxch = i2c->find(i2c, nv_encoder->dcb->i2c_index);
auxch = nv_encoder->i2c;
if (!auxch)
return;
@ -357,12 +354,11 @@ nouveau_dp_detect(struct drm_encoder *encoder)
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
struct drm_device *dev = encoder->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct nouveau_i2c_port *auxch;
u8 *dpcd = nv_encoder->dp.dpcd;
int ret;
auxch = i2c->find(i2c, nv_encoder->dcb->i2c_index);
auxch = nv_encoder->i2c;
if (!auxch)
return false;

9
drivers/gpu/drm/nouveau/nouveau_encoder.h
View File

@ -36,19 +36,12 @@
struct nouveau_i2c_port;
struct dp_train_func {
void (*link_set)(struct drm_device *, struct dcb_output *, int crtc,
int nr, u32 bw, bool enhframe);
void (*train_set)(struct drm_device *, struct dcb_output *, u8 pattern);
void (*train_adj)(struct drm_device *, struct dcb_output *,
u8 lane, u8 swing, u8 preem);
};
struct nouveau_encoder {
struct drm_encoder_slave base;
struct dcb_output *dcb;
int or;
struct nouveau_i2c_port *i2c;
/* different to drm_encoder.crtc, this reflects what's
* actually programmed on the hw, not the proposed crtc */

8
drivers/gpu/drm/nouveau/nv04_display.c
View File

@ -34,6 +34,8 @@
#include "nouveau_encoder.h"
#include "nouveau_connector.h"
#include <subdev/i2c.h>
int
nv04_display_early_init(struct drm_device *dev)
{
@ -56,6 +58,7 @@ int
nv04_display_create(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct dcb_table *dcb = &drm->vbios.dcb;
struct drm_connector *connector, *ct;
struct drm_encoder *encoder;
@ -122,6 +125,11 @@ nv04_display_create(struct drm_device *dev)
}
}
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
nv_encoder->i2c = i2c->find(i2c, nv_encoder->dcb->i2c_index);
}
/* Save previous state */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
crtc->funcs->save(crtc);

24
drivers/gpu/drm/nouveau/nv50_display.c
View File

@ -43,6 +43,7 @@
#include <subdev/timer.h>
#include <subdev/bar.h>
#include <subdev/fb.h>
#include <subdev/i2c.h>
#define EVO_DMA_NR 9
@ -1554,20 +1555,23 @@ static const struct drm_encoder_funcs nv50_dac_func = {
static int
nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
{
struct drm_device *dev = connector->dev;
struct nouveau_drm *drm = nouveau_drm(connector->dev);
struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct nouveau_encoder *nv_encoder;
struct drm_encoder *encoder;
int type = DRM_MODE_ENCODER_DAC;
nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
if (!nv_encoder)
return -ENOMEM;
nv_encoder->dcb = dcbe;
nv_encoder->or = ffs(dcbe->or) - 1;
nv_encoder->i2c = i2c->find(i2c, dcbe->i2c_index);
encoder = to_drm_encoder(nv_encoder);
encoder->possible_crtcs = dcbe->heads;
encoder->possible_clones = 0;
drm_encoder_init(dev, encoder, &nv50_dac_func, DRM_MODE_ENCODER_DAC);
drm_encoder_init(connector->dev, encoder, &nv50_dac_func, type);
drm_encoder_helper_add(encoder, &nv50_dac_hfunc);
drm_mode_connector_attach_encoder(connector, encoder);
@ -1893,21 +1897,33 @@ static const struct drm_encoder_funcs nv50_sor_func = {
static int
nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
{
struct drm_device *dev = connector->dev;
struct nouveau_drm *drm = nouveau_drm(connector->dev);
struct nouveau_i2c *i2c = nouveau_i2c(drm->device);
struct nouveau_encoder *nv_encoder;
struct drm_encoder *encoder;
int type;
switch (dcbe->type) {
case DCB_OUTPUT_LVDS: type = DRM_MODE_ENCODER_LVDS; break;
case DCB_OUTPUT_TMDS:
case DCB_OUTPUT_DP:
default:
type = DRM_MODE_ENCODER_TMDS;
break;
}
nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
if (!nv_encoder)
return -ENOMEM;
nv_encoder->dcb = dcbe;
nv_encoder->or = ffs(dcbe->or) - 1;
nv_encoder->i2c = i2c->find(i2c, dcbe->i2c_index);
nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
encoder = to_drm_encoder(nv_encoder);
encoder->possible_crtcs = dcbe->heads;
encoder->possible_clones = 0;
drm_encoder_init(dev, encoder, &nv50_sor_func, DRM_MODE_ENCODER_TMDS);
drm_encoder_init(connector->dev, encoder, &nv50_sor_func, type);
drm_encoder_helper_add(encoder, &nv50_sor_hfunc);
drm_mode_connector_attach_encoder(connector, encoder);