diff options
| 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 | |
| parent | 34108a03e430ea0e7a1d9005e3caa0d6a746fa95 (diff) | |
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
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_lspcon.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_lspcon.h | 4 |
3 files changed, 11 insertions, 5 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; diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c index 7768cf34f4e9..e4ff533e3a69 100644 --- a/drivers/gpu/drm/i915/display/intel_lspcon.c +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c @@ -484,7 +484,10 @@ void lspcon_read_infoframe(struct intel_encoder *encoder, unsigned int type, void *frame, ssize_t len) { - /* FIXME implement this */ + /* FIXME implement for AVI Infoframe as well */ + if (type == HDMI_PACKET_TYPE_GAMUT_METADATA) + hsw_read_infoframe(encoder, crtc_state, type, + frame, len); } void lspcon_set_infoframes(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.h b/drivers/gpu/drm/i915/display/intel_lspcon.h index 44aa6bc38512..e19e10492b05 100644 --- a/drivers/gpu/drm/i915/display/intel_lspcon.h +++ b/drivers/gpu/drm/i915/display/intel_lspcon.h @@ -39,5 +39,9 @@ void hsw_write_infoframe(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, unsigned int type, const 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); #endif /* __INTEL_LSPCON_H__ */ |