From: Jani Nikula Date: Tue, 16 May 2023 09:44:06 +0000 (+0300) Subject: drm/i915: tweak language in fastset pipe config compare logging X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=86634ba3dfc789497805da3d5774fcc1953cbe41;p=linux.git drm/i915: tweak language in fastset pipe config compare logging The "fastset mismatch" debug logging has been slightly confusing, leading people to believe some error happened. Change it to the more informative "fastset requirement not met", and add a final message about this leading to full modeset. Cc: Ville Syrjälä Signed-off-by: Jani Nikula Reviewed-by: Suraj Kandpal Acked-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20230516094406.2675307-1-jani.nikula@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index b3bac5dae20fa..09320e14d75cd 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -4865,7 +4865,7 @@ pipe_config_infoframe_mismatch(struct drm_i915_private *dev_priv, return; drm_dbg_kms(&dev_priv->drm, - "fastset mismatch in %s infoframe\n", name); + "fastset requirement not met in %s infoframe\n", name); drm_dbg_kms(&dev_priv->drm, "expected:\n"); hdmi_infoframe_log(KERN_DEBUG, dev_priv->drm.dev, a); drm_dbg_kms(&dev_priv->drm, "found:\n"); @@ -4890,7 +4890,7 @@ pipe_config_dp_vsc_sdp_mismatch(struct drm_i915_private *dev_priv, return; drm_dbg_kms(&dev_priv->drm, - "fastset mismatch in %s dp sdp\n", name); + "fastset requirement not met 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"); @@ -4931,7 +4931,7 @@ pipe_config_buffer_mismatch(struct drm_i915_private *dev_priv, len = memcmp_diff_len(a, b, len); drm_dbg_kms(&dev_priv->drm, - "fastset mismatch in %s buffer\n", name); + "fastset requirement not met in %s buffer\n", name); print_hex_dump(KERN_DEBUG, "expected: ", DUMP_PREFIX_NONE, 16, 0, a, len, false); print_hex_dump(KERN_DEBUG, "found: ", DUMP_PREFIX_NONE, @@ -4962,7 +4962,7 @@ pipe_config_mismatch(bool fastset, const struct intel_crtc *crtc, if (fastset) drm_dbg_kms(&i915->drm, - "[CRTC:%d:%s] fastset mismatch in %s %pV\n", + "[CRTC:%d:%s] fastset requirement not met in %s %pV\n", crtc->base.base.id, crtc->base.name, name, &vaf); else drm_err(&i915->drm, "[CRTC:%d:%s] mismatch in %s %pV\n", @@ -5550,8 +5550,13 @@ static int intel_modeset_checks(struct intel_atomic_state *state) static void intel_crtc_check_fastset(const struct intel_crtc_state *old_crtc_state, struct intel_crtc_state *new_crtc_state) { - if (!intel_pipe_config_compare(old_crtc_state, new_crtc_state, true)) + struct drm_i915_private *i915 = to_i915(old_crtc_state->uapi.crtc->dev); + + if (!intel_pipe_config_compare(old_crtc_state, new_crtc_state, true)) { + drm_dbg_kms(&i915->drm, "fastset requirement not met, forcing full modeset\n"); + return; + } new_crtc_state->uapi.mode_changed = false; if (!intel_crtc_needs_modeset(new_crtc_state))