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drm/panelreplay: Panel Replay capability DPCD register definitions

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Add new definition for size of Panel Replay DPCD capability registers
area. Rename existing definitions to group capability registers together.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://lore.kernel.org/r/20250526120512.1702815-2-jouni.hogander@intel.com
This commit is contained in:
Jouni Högander 2025-05-26 15:05:01 +03:00
parent 7ce53db1ff
commit 07cc32ecc6
2 changed files with 11 additions and 9 deletions
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8
drivers/gpu/drm/i915/display/intel_psr.c
View File

@ -516,7 +516,7 @@ static u8 intel_dp_get_su_capability(struct intel_dp *intel_dp)
if (intel_dp->psr.sink_panel_replay_su_support)
drm_dp_dpcd_readb(&intel_dp->aux,
DP_PANEL_PANEL_REPLAY_CAPABILITY,
DP_PANEL_REPLAY_CAP_CAPABILITY,
&su_capability);
else
su_capability = intel_dp->psr_dpcd[1];
@ -528,7 +528,7 @@ static unsigned int
intel_dp_get_su_x_granularity_offset(struct intel_dp *intel_dp)
{
return intel_dp->psr.sink_panel_replay_su_support ?
DP_PANEL_PANEL_REPLAY_X_GRANULARITY :
DP_PANEL_REPLAY_CAP_X_GRANULARITY :
DP_PSR2_SU_X_GRANULARITY;
}
@ -536,7 +536,7 @@ static unsigned int
intel_dp_get_su_y_granularity_offset(struct intel_dp *intel_dp)
{
return intel_dp->psr.sink_panel_replay_su_support ?
DP_PANEL_PANEL_REPLAY_Y_GRANULARITY :
DP_PANEL_REPLAY_CAP_Y_GRANULARITY :
DP_PSR2_SU_Y_GRANULARITY;
}
@ -676,7 +676,7 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp)
{
drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,
sizeof(intel_dp->psr_dpcd));
drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP,
drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP_SUPPORT,
&intel_dp->pr_dpcd);
if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SUPPORT)

12
include/drm/display/drm_dp.h
View File

@ -547,16 +547,18 @@
/* DFP Capability Extension */
#define DP_DFP_CAPABILITY_EXTENSION_SUPPORT 0x0a3 /* 2.0 */
#define DP_PANEL_REPLAY_CAP 0x0b0 /* DP 2.0 */
#define DP_PANEL_REPLAY_CAP_SUPPORT 0x0b0 /* DP 2.0 */
# define DP_PANEL_REPLAY_SUPPORT (1 << 0)
# define DP_PANEL_REPLAY_SU_SUPPORT (1 << 1)
# define DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT (1 << 2) /* eDP 1.5 */
#define DP_PANEL_PANEL_REPLAY_CAPABILITY 0xb1
# define DP_PANEL_PANEL_REPLAY_SU_GRANULARITY_REQUIRED (1 << 5)
#define DP_PANEL_REPLAY_CAP_SIZE 7
#define DP_PANEL_PANEL_REPLAY_X_GRANULARITY 0xb2
#define DP_PANEL_PANEL_REPLAY_Y_GRANULARITY 0xb4
#define DP_PANEL_REPLAY_CAP_CAPABILITY 0xb1
# define DP_PANEL_REPLAY_SU_GRANULARITY_REQUIRED (1 << 5)
#define DP_PANEL_REPLAY_CAP_X_GRANULARITY 0xb2
#define DP_PANEL_REPLAY_CAP_Y_GRANULARITY 0xb4
/* Link Configuration */
#define DP_LINK_BW_SET 0x100