[Intel-gfx] [PATCH v10 09/14] drm/i915: Add state readout for DP VSC SDP
Gwan-gyeong Mun
gwan-gyeong.mun at intel.com
Fri Apr 17 12:00:35 UTC 2020
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
v4: Use struct drm_device logging macros
v10: Skip checking of VSC SDP when a crtc config has psr.
Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
Reviewed-by: Uma Shankar <uma.shankar at intel.com>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 1 +
drivers/gpu/drm/i915/display/intel_display.c | 44 ++++++++++++++++++++
2 files changed, 45 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 5dbb54b88d0e..bb26ea665540 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -4218,6 +4218,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
bdw_get_trans_port_sync_config(pipe_config);
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 332d857ad455..2e20c3447cb6 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -13467,6 +13467,13 @@ 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,
@@ -13492,6 +13499,31 @@ 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_dbg_kms(&dev_priv->drm,
+ "fastset mismatch in %s dp sdp\n", name);
+ drm_dbg_kms(&dev_priv->drm, "expected:\n");
+ drm_dp_vsc_sdp_log(KERN_DEBUG, dev_priv->drm.dev, a);
+ drm_dbg_kms(&dev_priv->drm, "found:\n");
+ drm_dp_vsc_sdp_log(KERN_DEBUG, dev_priv->drm.dev, b);
+ } else {
+ drm_err(&dev_priv->drm, "mismatch in %s dp sdp\n", name);
+ drm_err(&dev_priv->drm, "expected:\n");
+ drm_dp_vsc_sdp_log(KERN_ERR, dev_priv->drm.dev, a);
+ drm_err(&dev_priv->drm, "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, ...)
@@ -13693,6 +13725,17 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
} \
} while (0)
+#define PIPE_CONF_CHECK_DP_VSC_SDP(name) do { \
+ if (!current_config->has_psr && !pipe_config->has_psr && \
+ !intel_compare_dp_vsc_sdp(¤t_config->infoframes.name, \
+ &pipe_config->infoframes.name)) { \
+ pipe_config_dp_vsc_sdp_mismatch(dev_priv, fastset, __stringify(name), \
+ ¤t_config->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), \
@@ -13868,6 +13911,7 @@ 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);
--
2.25.0
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