diff options
Diffstat (limited to 'meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5042-drm-amd-display-Implement-backlight_ops.get_brightne.patch')
| -rw-r--r-- | meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5042-drm-amd-display-Implement-backlight_ops.get_brightne.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5042-drm-amd-display-Implement-backlight_ops.get_brightne.patch b/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5042-drm-amd-display-Implement-backlight_ops.get_brightne.patch deleted file mode 100644 index 2a3dc5b9..00000000 --- a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5042-drm-amd-display-Implement-backlight_ops.get_brightne.patch +++ /dev/null @@ -1,79 +0,0 @@ -From d8eb60aab13f40734d2e739749fdd653a95151d5 Mon Sep 17 00:00:00 2001 -From: David Francis <David.Francis@amd.com> -Date: Thu, 19 Jul 2018 11:25:05 -0400 -Subject: [PATCH 5042/5725] drm/amd/display: Implement - backlight_ops.get_brightness - -[Why] -This hook that is supposed to read the actual backlight value -is used in a few places throughout the kernel to setup or force -update on backlight - -[How] -Create a dc function that calls the existing abm function, and -call that function from amdgpu - -Signed-off-by: David Francis <David.Francis@amd.com> -Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> -Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> -Signed-off-by: Alex Deucher <alexander.deucher@amd.com> ---- - drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 ++++++- - drivers/gpu/drm/amd/display/dc/core/dc_link.c | 9 +++++++++ - drivers/gpu/drm/amd/display/dc/dc_link.h | 2 ++ - 3 files changed, 17 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c -index 685b2fea..1c8088e 100644 ---- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c -+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c -@@ -1437,7 +1437,12 @@ static int amdgpu_dm_backlight_update_status(struct backlight_device *bd) - - static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd) - { -- return bd->props.brightness; -+ struct amdgpu_display_manager *dm = bl_get_data(bd); -+ int ret = dc_link_get_backlight_level(dm->backlight_link); -+ -+ if (ret == DC_ERROR_UNEXPECTED) -+ return bd->props.brightness; -+ return ret; - } - - static const struct backlight_ops amdgpu_dm_backlight_ops = { -diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c -index 5658eb1..186131b 100644 ---- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c -+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c -@@ -2026,6 +2026,15 @@ enum dc_status dc_link_validate_mode_timing( - return DC_OK; - } - -+int dc_link_get_backlight_level(const struct dc_link *link) -+{ -+ struct abm *abm = link->ctx->dc->res_pool->abm; -+ -+ if (abm == NULL || abm->funcs->get_current_backlight_8_bit == NULL) -+ return DC_ERROR_UNEXPECTED; -+ -+ return (int) abm->funcs->get_current_backlight_8_bit(abm); -+} - - bool dc_link_set_backlight_level(const struct dc_link *link, uint32_t level, - uint32_t frame_ramp, const struct dc_stream_state *stream) -diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h -index 2351681..44cd31f 100644 ---- a/drivers/gpu/drm/amd/display/dc/dc_link.h -+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h -@@ -141,6 +141,8 @@ static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_ - bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level, - uint32_t frame_ramp, const struct dc_stream_state *stream); - -+int dc_link_get_backlight_level(const struct dc_link *dc_link); -+ - bool dc_link_set_abm_disable(const struct dc_link *dc_link); - - bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable, bool wait); --- -2.7.4 - |