diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3038-drm-amd-display-add-functionality-to-get-pipe-CRC-so.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3038-drm-amd-display-add-functionality-to-get-pipe-CRC-so.patch | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3038-drm-amd-display-add-functionality-to-get-pipe-CRC-so.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3038-drm-amd-display-add-functionality-to-get-pipe-CRC-so.patch new file mode 100644 index 00000000..3453e724 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3038-drm-amd-display-add-functionality-to-get-pipe-CRC-so.patch @@ -0,0 +1,123 @@ +From 6d3236dab95ff312959904f7876c10df3b2cf218 Mon Sep 17 00:00:00 2001 +From: Dingchen Zhang <dingchen.zhang@amd.com> +Date: Wed, 29 May 2019 18:52:52 -0400 +Subject: [PATCH 3038/4256] drm/amd/display: add functionality to get pipe CRC + source. + +[Why] +We need to check the pipe crc source through debugfs for bypass mode test. + +[How] +add implementation of amdgpu_dm_crtc_get_crc_sources and hook into drm_crtc +callback get_crc_sources. + +Change-Id: Ib2b74295fda878eca3a304d4691d2228e43a6afe +Signed-off-by: Dingchen Zhang <dingchen.zhang@amd.com> +Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + + .../drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 14 +++++++++++ + .../drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h | 3 +++ + include/drm/drm_crtc.h | 23 +++++++++++++++++++ + 4 files changed, 41 insertions(+) + +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 2dbf11563476..844e9442449f 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +@@ -3817,6 +3817,7 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = { + .atomic_destroy_state = dm_crtc_destroy_state, + .set_crc_source = amdgpu_dm_crtc_set_crc_source, + .verify_crc_source = amdgpu_dm_crtc_verify_crc_source, ++ .get_crc_sources = amdgpu_dm_crtc_get_crc_sources, + .enable_vblank = dm_enable_vblank, + .disable_vblank = dm_disable_vblank, + }; +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c +index 54dc86e4d6bf..609f1fdc10b3 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c +@@ -29,6 +29,13 @@ + #include "amdgpu_dm.h" + #include "dc.h" + ++static const char *const pipe_crc_sources[] = { ++ "none", ++ "crtc", ++ "dprx", ++ "auto", ++}; ++ + static enum amdgpu_dm_pipe_crc_source dm_parse_crc_source(const char *source) + { + if (!source || !strcmp(source, "none")) +@@ -41,6 +48,13 @@ static enum amdgpu_dm_pipe_crc_source dm_parse_crc_source(const char *source) + return AMDGPU_DM_PIPE_CRC_SOURCE_INVALID; + } + ++const char *const *amdgpu_dm_crtc_get_crc_sources(struct drm_crtc *crtc, ++ size_t *count) ++{ ++ *count = ARRAY_SIZE(pipe_crc_sources); ++ return pipe_crc_sources; ++} ++ + int + amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc, const char *src_name, + size_t *values_cnt) +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h +index 3793dc872436..b63a9011f511 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.h +@@ -46,10 +46,13 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name); + int amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc, + const char *src_name, + size_t *values_cnt); ++const char *const *amdgpu_dm_crtc_get_crc_sources(struct drm_crtc *crtc, ++ size_t *count); + void amdgpu_dm_crtc_handle_crc_irq(struct drm_crtc *crtc); + #else + #define amdgpu_dm_crtc_set_crc_source NULL + #define amdgpu_dm_crtc_verify_crc_source NULL ++#define amdgpu_dm_crtc_get_crc_sources NULL + #define amdgpu_dm_crtc_handle_crc_irq(x) + #endif + +diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h +index a92f548502c8..2cf8ca1ae594 100644 +--- a/include/drm/drm_crtc.h ++++ b/include/drm/drm_crtc.h +@@ -772,6 +772,29 @@ struct drm_crtc_funcs { + int (*verify_crc_source)(struct drm_crtc *crtc, const char *source, + size_t *values_cnt); + ++ /** ++ * @get_crc_sources: ++ * ++ * Driver callback for getting a list of all the available sources for ++ * CRC generation. This callback depends upon verify_crc_source, So ++ * verify_crc_source callback should be implemented before implementing ++ * this. Driver can pass full list of available crc sources, this ++ * callback does the verification on each crc-source before passing it ++ * to userspace. ++ * ++ * This callback is optional if the driver does not support exporting of ++ * possible CRC sources list. ++ * ++ * RETURNS: ++ * ++ * a constant character pointer to the list of all the available CRC ++ * sources. On failure driver should return NULL. count should be ++ * updated with number of sources in list. if zero we don't process any ++ * source from the list. ++ */ ++ const char *const *(*get_crc_sources)(struct drm_crtc *crtc, ++ size_t *count); ++ + /** + * @atomic_print_state: + * +-- +2.17.1 + |