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drm/exynos: use helper to set possible crtcs 

All encoders share the same code to set encoders possible_crtcs field.
The patch creates helper to abstract out this code.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2017-08-24 15:33:51 +02:00 committed by Inki Dae
parent 30b8913fd3
commit 1ca582f10e
8 changed files with 53 additions and 59 deletions
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15
drivers/gpu/drm/exynos/exynos_dp.c
View File

@ -155,7 +155,7 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
struct exynos_dp_device *dp = dev_get_drvdata(dev);
struct drm_encoder *encoder = &dp->encoder;
struct drm_device *drm_dev = data;
int pipe, ret;
int ret;
/*
* Just like the probe function said, we don't need the
@ -179,20 +179,15 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
return ret;
}
pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
EXYNOS_DISPLAY_TYPE_LCD);
if (pipe < 0)
return pipe;
encoder->possible_crtcs = 1 << pipe;
DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_LCD);
if (ret < 0)
return ret;
dp->plat_data.encoder = encoder;
return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);

1
drivers/gpu/drm/exynos/exynos_drm_core.c
View File

@ -13,6 +13,7 @@
*/
#include <drm/drmP.h>
#include "exynos_drm_drv.h"
#include "exynos_drm_crtc.h"

21
drivers/gpu/drm/exynos/exynos_drm_crtc.c
View File

@ -16,6 +16,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_encoder.h>
#include "exynos_drm_crtc.h"
#include "exynos_drm_drv.h"
@ -191,16 +192,30 @@ err_crtc:
return ERR_PTR(ret);
}
int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev,
struct exynos_drm_crtc *exynos_drm_crtc_get_by_type(struct drm_device *drm_dev,
enum exynos_drm_output_type out_type)
{
struct drm_crtc *crtc;
drm_for_each_crtc(crtc, drm_dev)
if (to_exynos_crtc(crtc)->type == out_type)
return drm_crtc_index(crtc);
return to_exynos_crtc(crtc);
return -EPERM;
return ERR_PTR(-EPERM);
}
int exynos_drm_set_possible_crtcs(struct drm_encoder *encoder,
enum exynos_drm_output_type out_type)
{
struct exynos_drm_crtc *crtc = exynos_drm_crtc_get_by_type(encoder->dev,
out_type);
if (IS_ERR(crtc))
return PTR_ERR(crtc);
encoder->possible_crtcs = drm_crtc_mask(&crtc->base);
return 0;
}
void exynos_drm_crtc_te_handler(struct drm_crtc *crtc)

10
drivers/gpu/drm/exynos/exynos_drm_crtc.h
View File

@ -15,21 +15,25 @@
#ifndef _EXYNOS_DRM_CRTC_H_
#define _EXYNOS_DRM_CRTC_H_
#include "exynos_drm_drv.h"
struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
struct drm_plane *plane,
enum exynos_drm_output_type type,
enum exynos_drm_output_type out_type,
const struct exynos_drm_crtc_ops *ops,
void *context);
void exynos_drm_crtc_wait_pending_update(struct exynos_drm_crtc *exynos_crtc);
void exynos_drm_crtc_finish_update(struct exynos_drm_crtc *exynos_crtc,
struct exynos_drm_plane *exynos_plane);
/* This function gets pipe value to crtc device matched with out_type. */
int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev,
/* This function gets crtc device matched with out_type. */
struct exynos_drm_crtc *exynos_drm_crtc_get_by_type(struct drm_device *drm_dev,
enum exynos_drm_output_type out_type);
int exynos_drm_set_possible_crtcs(struct drm_encoder *encoder,
enum exynos_drm_output_type out_type);
/*
* This function calls the crtc device(manager)'s te_handler() callback
* to trigger to transfer video image at the tearing effect synchronization

12
drivers/gpu/drm/exynos/exynos_drm_dpi.c
View File

@ -202,19 +202,15 @@ int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder)
{
int ret;
ret = exynos_drm_crtc_get_pipe_from_type(dev, EXYNOS_DISPLAY_TYPE_LCD);
if (ret < 0)
return ret;
encoder->possible_crtcs = 1 << ret;
DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
drm_encoder_init(dev, encoder, &exynos_dpi_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
drm_encoder_helper_add(encoder, &exynos_dpi_encoder_helper_funcs);
ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_LCD);
if (ret < 0)
return ret;
ret = exynos_dpi_create_connector(encoder);
if (ret) {
DRM_ERROR("failed to create connector ret = %d\n", ret);

13
drivers/gpu/drm/exynos/exynos_drm_dsi.c
View File

@ -1662,20 +1662,15 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
struct drm_bridge *bridge;
int ret;
ret = exynos_drm_crtc_get_pipe_from_type(drm_dev,
EXYNOS_DISPLAY_TYPE_LCD);
if (ret < 0)
return ret;
encoder->possible_crtcs = 1 << ret;
DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
drm_encoder_init(drm_dev, encoder, &exynos_dsi_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
drm_encoder_helper_add(encoder, &exynos_dsi_encoder_helper_funcs);
ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_LCD);
if (ret < 0)
return ret;
ret = exynos_dsi_create_connector(encoder);
if (ret) {
DRM_ERROR("failed to create connector ret = %d\n", ret);

15
drivers/gpu/drm/exynos/exynos_drm_vidi.c
View File

@ -381,7 +381,7 @@ static int vidi_bind(struct device *dev, struct device *master, void *data)
struct exynos_drm_plane *exynos_plane;
struct exynos_drm_plane_config plane_config = { 0 };
unsigned int i;
int pipe, ret;
int ret;
ctx->drm_dev = drm_dev;
@ -406,20 +406,15 @@ static int vidi_bind(struct device *dev, struct device *master, void *data)
return PTR_ERR(ctx->crtc);
}
pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
EXYNOS_DISPLAY_TYPE_VIDI);
if (pipe < 0)
return pipe;
encoder->possible_crtcs = 1 << pipe;
DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
drm_encoder_init(drm_dev, encoder, &exynos_vidi_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
drm_encoder_helper_add(encoder, &exynos_vidi_encoder_helper_funcs);
ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_VIDI);
if (ret < 0)
return ret;
ret = vidi_create_connector(encoder);
if (ret) {
DRM_ERROR("failed to create connector ret = %d\n", ret);

25
drivers/gpu/drm/exynos/exynos_hdmi.c
View File

@ -1697,32 +1697,25 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
struct drm_device *drm_dev = data;
struct hdmi_context *hdata = dev_get_drvdata(dev);
struct drm_encoder *encoder = &hdata->encoder;
struct exynos_drm_crtc *exynos_crtc;
struct drm_crtc *crtc;
int ret, pipe;
struct exynos_drm_crtc *crtc;
int ret;
hdata->drm_dev = drm_dev;
pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
EXYNOS_DISPLAY_TYPE_HDMI);
if (pipe < 0)
return pipe;
hdata->phy_clk.enable = hdmiphy_clk_enable;
crtc = drm_crtc_from_index(drm_dev, pipe);
exynos_crtc = to_exynos_crtc(crtc);
exynos_crtc->pipe_clk = &hdata->phy_clk;
encoder->possible_crtcs = 1 << pipe;
DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
ret = exynos_drm_set_possible_crtcs(encoder, EXYNOS_DISPLAY_TYPE_HDMI);
if (ret < 0)
return ret;
crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI);
crtc->pipe_clk = &hdata->phy_clk;
ret = hdmi_create_connector(encoder);
if (ret) {
DRM_ERROR("failed to create connector ret = %d\n", ret);