Commit abe1cd9a authored by Mitul Golani's avatar Mitul Golani Committed by Ankit Nautiyal
Browse files

drm/i915/display: Add state checker for Adaptive Sync SDP 



Enable infoframe and add state checker for Adaptive Sync
SDP enablement.

--v1:
- crtc_state->infoframes.enable, to add on correct place holder.

Signed-off-by: default avatarMitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240322031157.3823909-8-mitulkumar.ajitkumar.golani@intel.com
parent a5bd5991

drivers/gpu/drm/i915/display/intel_display.c

+46 −0
Original line number Diff line number Diff line
@@ -4820,6 +4820,17 @@ intel_compare_dp_vsc_sdp(const struct drm_dp_vsc_sdp *a, 
		a->content_type == b->content_type;

}



static bool

intel_compare_dp_as_sdp(const struct drm_dp_as_sdp *a,

			const struct drm_dp_as_sdp *b)

{

	return a->vtotal == b->vtotal &&

		a->target_rr == b->target_rr &&

		a->duration_incr_ms == b->duration_incr_ms &&

		a->duration_decr_ms == b->duration_decr_ms &&

		a->mode == b->mode;

}



static bool

intel_compare_buffer(const u8 *a, const u8 *b, size_t len)

{
@@ -4890,6 +4901,30 @@ pipe_config_dp_vsc_sdp_mismatch(struct drm_printer *p, bool fastset, 
	drm_dp_vsc_sdp_log(p, b);

}



static void

pipe_config_dp_as_sdp_mismatch(struct drm_i915_private *i915,

			       bool fastset, const char *name,

			       const struct drm_dp_as_sdp *a,

			       const struct drm_dp_as_sdp *b)

{

	struct drm_printer p;



	if (fastset) {

		p = drm_dbg_printer(&i915->drm, DRM_UT_KMS, NULL);



		drm_printf(&p, "fastset requirement not met in %s dp sdp\n", name);

	} else {

		p = drm_err_printer(&i915->drm, NULL);



		drm_printf(&p, "mismatch in %s dp sdp\n", name);

	}



	drm_printf(&p, "expected:\n");

	drm_dp_as_sdp_log(&p, a);

	drm_printf(&p, "found:\n");

	drm_dp_as_sdp_log(&p, b);

}



/* Returns the length up to and including the last differing byte */

static size_t

memcmp_diff_len(const u8 *a, const u8 *b, size_t len)
@@ -5107,6 +5142,16 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, 
	} \

} while (0)



#define PIPE_CONF_CHECK_DP_AS_SDP(name) do { \

	if (!intel_compare_dp_as_sdp(&current_config->infoframes.name, \

				      &pipe_config->infoframes.name)) { \

		pipe_config_dp_as_sdp_mismatch(dev_priv, fastset, __stringify(name), \

						&current_config->infoframes.name, \

						&pipe_config->infoframes.name); \

		ret = false; \

	} \

} while (0)



#define PIPE_CONF_CHECK_BUFFER(name, len) do { \

	BUILD_BUG_ON(sizeof(current_config->name) != (len)); \

	BUILD_BUG_ON(sizeof(pipe_config->name) != (len)); \
@@ -5288,6 +5333,7 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, 
	PIPE_CONF_CHECK_INFOFRAME(hdmi);

	PIPE_CONF_CHECK_INFOFRAME(drm);

	PIPE_CONF_CHECK_DP_VSC_SDP(vsc);

	PIPE_CONF_CHECK_DP_AS_SDP(as_sdp);



	PIPE_CONF_CHECK_X(sync_mode_slaves_mask);

	PIPE_CONF_CHECK_I(master_transcoder);