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| author | Uma Shankar <uma.shankar@intel.com> | 2020-12-01 02:17:36 +0530 |
|---|---|---|
| committer | Uma Shankar <uma.shankar@intel.com> | 2020-12-02 01:29:52 +0530 |
| commit | b759415020b335aea8329f210ee162cb0c3c86a0 (patch) | |
| tree | c85e29836b892ad3c961291e141fac952aecc613 /drivers/gpu/drm/i915/display/intel_hdmi.c | |
| parent | 34108a03e430ea0e7a1d9005e3caa0d6a746fa95 (diff) | |
| download | linux-b759415020b335aea8329f210ee162cb0c3c86a0.tar.gz linux-b759415020b335aea8329f210ee162cb0c3c86a0.tar.bz2 linux-b759415020b335aea8329f210ee162cb0c3c86a0.zip | |
drm/i915/display: Implement DRM infoframe read for LSPCON
Implement Read back of HDR metadata infoframes i.e Dynamic Range
and Mastering Infoframe for LSPCON devices.
v2: Added proper bitmask of enabled infoframes as per Ville's
recommendation.
v3: Dropped a redundant wrapper as per Ville's comment.
v4: Dropped a redundant print, added Ville's RB.
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201130204738.2443-14-uma.shankar@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 88c153407a7d..e10fdb369daa 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -555,10 +555,9 @@ void hsw_write_infoframe(struct intel_encoder *encoder, intel_de_posting_read(dev_priv, ctl_reg); } -static void hsw_read_infoframe(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - unsigned int type, - void *frame, ssize_t len) +void hsw_read_infoframe(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + unsigned int type, void *frame, ssize_t len) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; |