Thread (40 messages) 40 messages, 2 authors, 2020-02-10

RE: [PATCH v3 13/17] drm/i915: Add state readout for DP VSC SDP

From: Shankar, Uma <hidden>
Date: 2020-02-05 17:01:41
Also in: dri-devel, intel-gfx

-----Original Message-----
From: dri-devel <redacted> On Behalf Of Gwan-
gyeong Mun
Sent: Tuesday, February 4, 2020 4:50 AM
To: intel-gfx@lists.freedesktop.org
Cc: linux-fbdev@vger.kernel.org; dri-devel@lists.freedesktop.org
Subject: [PATCH v3 13/17] drm/i915: Add state readout for DP VSC SDP

Added state readout for DP VSC SDP and enabled state validation for DP VSC SDP.

v2: Minor style fix
v3: Replace a structure name to drm_dp_vsc_sdp from intel_dp_vsc_sdp
Looks good.
Reviewed-by: Uma Shankar <redacted>
quoted hunk ↗ jump to hunk
Signed-off-by: Gwan-gyeong Mun <redacted>
---
 drivers/gpu/drm/i915/display/intel_ddi.c     |  1 +
 drivers/gpu/drm/i915/display/intel_display.c | 42 ++++++++++++++++++++
 2 files changed, 43 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
b/drivers/gpu/drm/i915/display/intel_ddi.c
index a9eaf7a6bc15..64e4edefa998 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4391,6 +4391,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 			     &pipe_config->infoframes.drm);

 	intel_read_dp_sdp(encoder, pipe_config,
HDMI_PACKET_TYPE_GAMUT_METADATA);
+	intel_read_dp_sdp(encoder, pipe_config, DP_SDP_VSC);
 }

 static enum intel_output_type
diff --git a/drivers/gpu/drm/i915/display/intel_display.c
b/drivers/gpu/drm/i915/display/intel_display.c
index 4f187fd330e8..02471c7aa6e7 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -13503,6 +13503,13 @@ intel_compare_infoframe(const union
hdmi_infoframe *a,
 	return memcmp(a, b, sizeof(*a)) = 0;
 }

+static bool
+intel_compare_dp_vsc_sdp(const struct drm_dp_vsc_sdp *a,
+			 const struct drm_dp_vsc_sdp *b)
+{
+	return memcmp(a, b, sizeof(*a)) = 0;
+}
+
 static void
 pipe_config_infoframe_mismatch(struct drm_i915_private *dev_priv,
 			       bool fastset, const char *name, @@ -13528,6
+13535,30 @@ pipe_config_infoframe_mismatch(struct drm_i915_private
*dev_priv,
 	}
 }

+static void
+pipe_config_dp_vsc_sdp_mismatch(struct drm_i915_private *dev_priv,
+				bool fastset, const char *name,
+				const struct drm_dp_vsc_sdp *a,
+				const struct drm_dp_vsc_sdp *b)
+{
+	if (fastset) {
+		if (!drm_debug_enabled(DRM_UT_KMS))
+			return;
+
+		DRM_DEBUG_KMS("fastset mismatch in %s dp sdp\n", name);
+		DRM_DEBUG_KMS("expected:\n");
+		drm_dp_vsc_sdp_log(KERN_DEBUG, dev_priv->drm.dev, a);
+		DRM_DEBUG_KMS("found:\n");
+		drm_dp_vsc_sdp_log(KERN_DEBUG, dev_priv->drm.dev, b);
+	} else {
+		DRM_ERROR("mismatch in %s dp sdp\n", name);
+		DRM_ERROR("expected:\n");
+		drm_dp_vsc_sdp_log(KERN_ERR, dev_priv->drm.dev, a);
+		DRM_ERROR("found:\n");
+		drm_dp_vsc_sdp_log(KERN_ERR, dev_priv->drm.dev, b);
+	}
+}
+
 static void __printf(4, 5)
 pipe_config_mismatch(bool fastset, const struct intel_crtc *crtc,
 		     const char *name, const char *format, ...) @@ -13729,6
+13760,16 @@ intel_pipe_config_compare(const struct intel_crtc_state
*current_config,
 	} \
 } while (0)

+#define PIPE_CONF_CHECK_DP_VSC_SDP(name) do { \
+	if (!intel_compare_dp_vsc_sdp(&current_config->infoframes.name, \
+				      &pipe_config->infoframes.name)) { \
+		pipe_config_dp_vsc_sdp_mismatch(dev_priv, fastset,
__stringify(name), \
+						&current_config-
quoted
infoframes.name, \
+						&pipe_config->infoframes.name);
\
+		ret = false; \
+	} \
+} while (0)
+
 #define PIPE_CONF_CHECK_COLOR_LUT(name1, name2, bit_precision) do { \
 	if (current_config->name1 != pipe_config->name1) { \
 		pipe_config_mismatch(fastset, crtc, __stringify(name1), \ @@ -
13902,6 +13943,7 @@ intel_pipe_config_compare(const struct intel_crtc_state
*current_config,
 	PIPE_CONF_CHECK_INFOFRAME(spd);
 	PIPE_CONF_CHECK_INFOFRAME(hdmi);
 	PIPE_CONF_CHECK_INFOFRAME(drm);
+	PIPE_CONF_CHECK_DP_VSC_SDP(vsc);

 	PIPE_CONF_CHECK_X(sync_mode_slaves_mask);
 	PIPE_CONF_CHECK_I(master_transcoder);
--
2.24.1

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help