On Thu, 10 Nov 2022, Animesh Manna <animesh.manna@xxxxxxxxx> wrote: > DPCD register definition added to check and enable panel replay > capability of the sink. This patch is not i915 specific like the subject claims. Please always Cc: dri-devel for drm changes. BR, Jani. > > Cc: Jouni Högander <jouni.hogander@xxxxxxxxx> > Signed-off-by: Animesh Manna <animesh.manna@xxxxxxxxx> > --- > include/drm/display/drm_dp.h | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h > index e934aab357be..40995f8c2c2f 100644 > --- a/include/drm/display/drm_dp.h > +++ b/include/drm/display/drm_dp.h > @@ -537,6 +537,10 @@ > /* DFP Capability Extension */ > #define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0a3 /* 2.0 */ > > +#define DP_PANEL_REPLAY_CAP 0x0b0 > +# define DP_PANEL_REPLAY_SUPPORT (1 << 0) > +# define DP_PR_SELECTIVE_UPDATE_SUPPORT (1 << 1) > + > /* Link Configuration */ > #define DP_LINK_BW_SET 0x100 > # define DP_LINK_RATE_TABLE 0x00 /* eDP 1.4 */ > @@ -706,6 +710,13 @@ > #define DP_BRANCH_DEVICE_CTRL 0x1a1 > # define DP_BRANCH_DEVICE_IRQ_HPD (1 << 0) > > +#define PANEL_REPLAY_CONFIG 0x1b0 > +# define DP_PANEL_REPLAY_ENABLE (1 << 0) > +# define DP_PR_UNRECOVERABLE_ERROR (1 << 3) > +# define DP_PR_RFB_STORAGE_ERROR (1 << 4) > +# define DP_PR_ACTIVE_FRAME_CRC_ERROR (1 << 5) > +# define DP_PR_SELECTIVE_UPDATE_ENABLE (1 << 6) > + > #define DP_PAYLOAD_ALLOCATE_SET 0x1c0 > #define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1 > #define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2 -- Jani Nikula, Intel Open Source Graphics Center
