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30 Mar 2020 09:23:19 -0700 From: Gwan-gyeong Mun To: intel-gfx@lists.freedesktop.org Subject: [PATCH v9 09/14] drm/i915: Add state readout for DP VSC SDP Date: Mon, 30 Mar 2020 19:23:51 +0300 Message-Id: <20200330162356.162361-10-gwan-gyeong.mun@intel.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200330162356.162361-1-gwan-gyeong.mun@intel.com> References: <20200330162356.162361-1-gwan-gyeong.mun@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, jani.nikula@intel.com, dri-devel@lists.freedesktop.org, uma.shankar@intel.com, laurent.pinchart@ideasonboard.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 Signed-off-by: Gwan-gyeong Mun Reviewed-by: Uma Shankar --- drivers/gpu/drm/i915/display/intel_ddi.c | 1 + drivers/gpu/drm/i915/display/intel_display.c | 43 ++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 710e2e42a12a..99b4944dfef2 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4073,6 +4073,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder, icl_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 37c2c1338816..9576f2c44d06 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -13449,6 +13449,13 @@ 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, @@ -13474,6 +13481,31 @@ 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, ...) @@ -13675,6 +13707,16 @@ 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(¤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), \ @@ -13850,6 +13892,7 @@ 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 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel