Commit 3b3b8448 authored by Mahesh Kumar's avatar Mahesh Kumar Committed by Maarten Lankhorst
Browse files

drm/amdgpu_dm/crc: Implement verify_crc_source callback 



This patch implements "verify_crc_source" callback function for
AMD drm driver.

Signed-off-by: default avatarMahesh Kumar <mahesh1.kumar@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: default avatarLeo Li <sunpeng.li@amd.com>
Signed-off-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713135942.25061-5-mahesh1.kumar@intel.com
parent b8d913c0

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+1 −0
Original line number Diff line number Diff line
@@ -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,

};

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

+4 −0
Original line number Diff line number Diff line
@@ -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

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c

+16 −0
Original line number Diff line number Diff line
@@ -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)

{