Op 02-07-18 om 13:07 schreef Mahesh Kumar:
> This patch implements "verify_crc_source" callback function for
> AMD drm driver.
>
> Signed-off-by: Mahesh Kumar <mahesh1.ku...@intel.com>
> Cc: dri-de...@lists.freedesktop.org
> Reviewed-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 +
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 4 ++++
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c | 16 ++++++++++++++++
> 3 files changed, 21 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 66bd3cc3e387..dd97cbca0527 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -2563,6 +2563,7 @@ static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs
> = {
> .atomic_duplicate_state = dm_crtc_duplicate_state,
> .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,
> .enable_vblank = dm_enable_vblank,
> .disable_vblank = dm_disable_vblank,
> };
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> index a29dc35954c9..e43ed064dc46 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
> @@ -260,9 +260,13 @@ amdgpu_dm_remove_sink_from_freesync_module(struct
> drm_connector *connector);
> #ifdef CONFIG_DEBUG_FS
> int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char
> *src_name,
> size_t *values_cnt);
> +int amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc,
> + const char *src_name,
> + size_t *values_cnt);
> 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_handle_crc_irq(x)
> #endif
>
> 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 52f2c01349e3..dfcca594d52a 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
> @@ -46,6 +46,22 @@ static enum amdgpu_dm_pipe_crc_source
> dm_parse_crc_source(const char *source)
> return AMDGPU_DM_PIPE_CRC_SOURCE_INVALID;
> }
>
> +int
> +amdgpu_dm_crtc_verify_crc_source(struct drm_crtc *crtc, const char *src_name,
> + size_t *values_cnt)
> +{
> + enum amdgpu_dm_pipe_crc_source source = dm_parse_crc_source(src_name);
> +
> + if (source < 0) {
> + DRM_DEBUG_DRIVER("Unknown CRC source %s for CRTC%d\n",
> + src_name, crtc->index);
> + return -EINVAL;
> + }
> +
> + *values_cnt = 3;
> + return 0;
> +}
> +
> int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char
> *src_name,
> size_t *values_cnt)
> {
Ack for merging this and 8/10 through drm-misc?
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