diff options
Diffstat (limited to 'patches.tizen/0805-drm-exynos-support-drm-backlight-dpms-on-off.patch')
| -rw-r--r-- | patches.tizen/0805-drm-exynos-support-drm-backlight-dpms-on-off.patch | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/patches.tizen/0805-drm-exynos-support-drm-backlight-dpms-on-off.patch b/patches.tizen/0805-drm-exynos-support-drm-backlight-dpms-on-off.patch new file mode 100644 index 00000000000..2e56628ce1a --- /dev/null +++ b/patches.tizen/0805-drm-exynos-support-drm-backlight-dpms-on-off.patch @@ -0,0 +1,204 @@ +From 3c2bf23d79422b1703253248a4e7642a5d8d8a00 Mon Sep 17 00:00:00 2001 +From: Donghwa Lee <dh09.lee@samsung.com> +Date: Thu, 26 Sep 2013 14:38:02 +0900 +Subject: [PATCH 0805/1302] drm: exynos: support drm backlight dpms on/off + +Signed-off-by: Donghwa Lee <dh09.lee@samsung.com> +Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> +--- + drivers/gpu/drm/Makefile | 2 +- + drivers/gpu/drm/exynos/exynos_drm_fimd.c | 122 +++++++++++++++++++------------ + 2 files changed, 76 insertions(+), 48 deletions(-) + +diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile +index 1c9f2439..5d4273d 100644 +--- a/drivers/gpu/drm/Makefile ++++ b/drivers/gpu/drm/Makefile +@@ -12,7 +12,7 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \ + drm_platform.o drm_sysfs.o drm_hashtab.o drm_mm.o \ + drm_crtc.o drm_modes.o drm_edid.o \ + drm_info.o drm_debugfs.o drm_encoder_slave.o \ +- drm_trace_points.o drm_global.o drm_prime.o ++ drm_trace_points.o drm_global.o drm_prime.o drm_backlight.o + + drm-$(CONFIG_COMPAT) += drm_ioc32.o + drm-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_gem_cma_helper.o +diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c +index ec060cb..e3cfa07 100644 +--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c ++++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c +@@ -23,6 +23,7 @@ + #include <video/of_display_timing.h> + #include <video/samsung_fimd.h> + #include <drm/exynos_drm.h> ++#include <drm/drm_backlight.h> + + #include "exynos_drm_drv.h" + #include "exynos_drm_fbdev.h" +@@ -173,52 +174,33 @@ static int fimd_check_mode(struct device *dev, struct drm_display_mode *mode) + + static int fimd_display_power_on(struct device *dev, int mode) + { +- /* TODO */ +- +- return 0; +-} +- +-static struct exynos_drm_display_ops fimd_display_ops = { +- .type = EXYNOS_DISPLAY_TYPE_LCD, +- .is_connected = fimd_display_is_connected, +- .get_panel = fimd_get_panel, +- .check_mode = fimd_check_mode, +- .power_on = fimd_display_power_on, +-}; +- +-static void fimd_dpms(struct device *subdrv_dev, int mode) +-{ +- struct fimd_context *ctx = get_fimd_context(subdrv_dev); +- +- DRM_DEBUG_KMS("%d\n", mode); +- +- mutex_lock(&ctx->lock); ++ DRM_INFO("%s:mode[%d]\n", __func__, mode); + + switch (mode) { + case DRM_MODE_DPMS_ON: +- /* +- * enable fimd hardware only if suspended status. +- * +- * P.S. fimd_dpms function would be called at booting time so +- * clk_enable could be called double time. +- */ +- if (ctx->suspended) +- pm_runtime_get_sync(subdrv_dev); ++ drm_bl_dpms(mode); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: +- if (!ctx->suspended) +- pm_runtime_put_sync(subdrv_dev); ++ drm_bl_dpms(mode); + break; + default: + DRM_DEBUG_KMS("unspecified mode %d\n", mode); + break; + } + +- mutex_unlock(&ctx->lock); ++ return 0; + } + ++static struct exynos_drm_display_ops fimd_display_ops = { ++ .type = EXYNOS_DISPLAY_TYPE_LCD, ++ .is_connected = fimd_display_is_connected, ++ .get_panel = fimd_get_panel, ++ .check_mode = fimd_check_mode, ++ .power_on = fimd_display_power_on, ++}; ++ + static void fimd_apply(struct device *subdrv_dev) + { + struct fimd_context *ctx = get_fimd_context(subdrv_dev); +@@ -356,15 +338,6 @@ static void fimd_wait_for_vblank(struct device *dev) + DRM_DEBUG_KMS("vblank wait timed out.\n"); + } + +-static struct exynos_drm_manager_ops fimd_manager_ops = { +- .dpms = fimd_dpms, +- .apply = fimd_apply, +- .commit = fimd_commit, +- .enable_vblank = fimd_enable_vblank, +- .disable_vblank = fimd_disable_vblank, +- .wait_for_vblank = fimd_wait_for_vblank, +-}; +- + static void fimd_win_mode_set(struct device *dev, + struct exynos_drm_overlay *overlay) + { +@@ -680,13 +653,6 @@ static struct exynos_drm_overlay_ops fimd_overlay_ops = { + .disable = fimd_win_disable, + }; + +-static struct exynos_drm_manager fimd_manager = { +- .pipe = -1, +- .ops = &fimd_manager_ops, +- .overlay_ops = &fimd_overlay_ops, +- .display_ops = &fimd_display_ops, +-}; +- + static irqreturn_t fimd_irq_handler(int irq, void *dev_id) + { + struct fimd_context *ctx = (struct fimd_context *)dev_id; +@@ -907,6 +873,68 @@ static int fimd_activate(struct fimd_context *ctx, bool enable) + return 0; + } + ++static void fimd_dpms(struct device *subdrv_dev, int mode) ++{ ++ struct fimd_context *ctx = get_fimd_context(subdrv_dev); ++ int ret; ++ ++ DRM_DEBUG_KMS("%d\n", mode); ++ ++ mutex_lock(&ctx->lock); ++ ++ switch (mode) { ++ case DRM_MODE_DPMS_ON: ++ /* ++ * enable fimd hardware only if suspended status. ++ * ++ * P.S. fimd_dpms function would be called at booting time so ++ * clk_enable could be called double time. ++ */ ++ if (ctx->suspended) { ++ pm_runtime_get_sync(subdrv_dev); ++ ++ ret = fimd_activate(ctx, true); ++ if (ret < 0) { ++ DRM_ERROR("failed to activate.\n"); ++ pm_runtime_put_sync(subdrv_dev); ++ } ++ } ++ break; ++ case DRM_MODE_DPMS_STANDBY: ++ case DRM_MODE_DPMS_SUSPEND: ++ case DRM_MODE_DPMS_OFF: ++ if (!ctx->suspended) { ++ ret = fimd_activate(ctx, false); ++ if (ret < 0) ++ DRM_ERROR("failed to deactivate.\n"); ++ ++ pm_runtime_put_sync(subdrv_dev); ++ } ++ break; ++ default: ++ DRM_DEBUG_KMS("unspecified mode %d\n", mode); ++ break; ++ } ++ ++ mutex_unlock(&ctx->lock); ++} ++ ++static struct exynos_drm_manager_ops fimd_manager_ops = { ++ .dpms = fimd_dpms, ++ .apply = fimd_apply, ++ .commit = fimd_commit, ++ .enable_vblank = fimd_enable_vblank, ++ .disable_vblank = fimd_disable_vblank, ++ .wait_for_vblank = fimd_wait_for_vblank, ++}; ++ ++static struct exynos_drm_manager fimd_manager = { ++ .pipe = -1, ++ .ops = &fimd_manager_ops, ++ .overlay_ops = &fimd_overlay_ops, ++ .display_ops = &fimd_display_ops, ++}; ++ + static int fimd_probe(struct platform_device *pdev) + { + struct device *dev = &pdev->dev; +-- +1.8.3.2 + |