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drm/i915/crc: implement verify_crc_source callback

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This patch implements verify_crc_source callback function introduced
earlier in this series.

Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: dri-devel@lists.freedesktop.org
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180713135942.25061-7-mahesh1.kumar@intel.com
This commit is contained in:
Mahesh Kumar 2018-07-13 19:29:38 +05:30 committed by Maarten Lankhorst
parent 3a3cd0d92a
commit a8c20833c6
3 changed files with 112 additions and 0 deletions
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1
drivers/gpu/drm/i915/intel_display.c
View File

@ -12865,6 +12865,7 @@ static const struct drm_crtc_funcs intel_crtc_funcs = {
.atomic_duplicate_state = intel_crtc_duplicate_state,
.atomic_destroy_state = intel_crtc_destroy_state,
.set_crc_source = intel_crtc_set_crc_source,
.verify_crc_source = intel_crtc_verify_crc_source,
};
struct wait_rps_boost {

3
drivers/gpu/drm/i915/intel_drv.h
View File

@ -2153,10 +2153,13 @@ int intel_pipe_crc_create(struct drm_minor *minor);
#ifdef CONFIG_DEBUG_FS
int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name,
size_t *values_cnt);
int intel_crtc_verify_crc_source(struct drm_crtc *crtc,
const char *source_name, size_t *values_cnt);
void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc);
void intel_crtc_enable_pipe_crc(struct intel_crtc *crtc);
#else
#define intel_crtc_set_crc_source NULL
#define intel_crtc_verify_crc_source NULL
static inline void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc)
{
}

108
drivers/gpu/drm/i915/intel_pipe_crc.c
View File

@ -913,6 +913,114 @@ int intel_pipe_crc_create(struct drm_minor *minor)
return 0;
}
static int i8xx_crc_source_valid(struct drm_i915_private *dev_priv,
const enum intel_pipe_crc_source source)
{
switch (source) {
case INTEL_PIPE_CRC_SOURCE_PIPE:
case INTEL_PIPE_CRC_SOURCE_NONE:
return 0;
default:
return -EINVAL;
}
}
static int i9xx_crc_source_valid(struct drm_i915_private *dev_priv,
const enum intel_pipe_crc_source source)
{
switch (source) {
case INTEL_PIPE_CRC_SOURCE_PIPE:
case INTEL_PIPE_CRC_SOURCE_TV:
case INTEL_PIPE_CRC_SOURCE_DP_B:
case INTEL_PIPE_CRC_SOURCE_DP_C:
case INTEL_PIPE_CRC_SOURCE_DP_D:
case INTEL_PIPE_CRC_SOURCE_NONE:
return 0;
default:
return -EINVAL;
}
}
static int vlv_crc_source_valid(struct drm_i915_private *dev_priv,
const enum intel_pipe_crc_source source)
{
switch (source) {
case INTEL_PIPE_CRC_SOURCE_PIPE:
case INTEL_PIPE_CRC_SOURCE_DP_B:
case INTEL_PIPE_CRC_SOURCE_DP_C:
case INTEL_PIPE_CRC_SOURCE_DP_D:
case INTEL_PIPE_CRC_SOURCE_NONE:
return 0;
default:
return -EINVAL;
}
}
static int ilk_crc_source_valid(struct drm_i915_private *dev_priv,
const enum intel_pipe_crc_source source)
{
switch (source) {
case INTEL_PIPE_CRC_SOURCE_PIPE:
case INTEL_PIPE_CRC_SOURCE_PLANE1:
case INTEL_PIPE_CRC_SOURCE_PLANE2:
case INTEL_PIPE_CRC_SOURCE_NONE:
return 0;
default:
return -EINVAL;
}
}
static int ivb_crc_source_valid(struct drm_i915_private *dev_priv,
const enum intel_pipe_crc_source source)
{
switch (source) {
case INTEL_PIPE_CRC_SOURCE_PIPE:
case INTEL_PIPE_CRC_SOURCE_PLANE1:
case INTEL_PIPE_CRC_SOURCE_PLANE2:
case INTEL_PIPE_CRC_SOURCE_PF:
case INTEL_PIPE_CRC_SOURCE_NONE:
return 0;
default:
return -EINVAL;
}
}
static int
intel_is_valid_crc_source(struct drm_i915_private *dev_priv,
const enum intel_pipe_crc_source source)
{
if (IS_GEN2(dev_priv))
return i8xx_crc_source_valid(dev_priv, source);
else if (INTEL_GEN(dev_priv) < 5)
return i9xx_crc_source_valid(dev_priv, source);
else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
return vlv_crc_source_valid(dev_priv, source);
else if (IS_GEN5(dev_priv) || IS_GEN6(dev_priv))
return ilk_crc_source_valid(dev_priv, source);
else
return ivb_crc_source_valid(dev_priv, source);
}
int intel_crtc_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
size_t *values_cnt)
{
struct drm_i915_private *dev_priv = to_i915(crtc->dev);
enum intel_pipe_crc_source source;
if (display_crc_ctl_parse_source(source_name, &source) < 0) {
DRM_DEBUG_DRIVER("unknown source %s\n", source_name);
return -EINVAL;
}
if (source == INTEL_PIPE_CRC_SOURCE_AUTO ||
intel_is_valid_crc_source(dev_priv, source) == 0) {
*values_cnt = 5;
return 0;
}
return -EINVAL;
}
int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name,
size_t *values_cnt)
{