On 2018-07-03 06:19 AM, Maarten Lankhorst wrote:
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>
Acked-by: Leo Li <sunpeng...@amd.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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