From d54c1a513c487ac6d6b3c4595e93e3625b461cc3 Mon Sep 17 00:00:00 2001 From: Anshuman Gupta Date: Mon, 24 Feb 2020 18:10:00 +0530 Subject: [PATCH] drm/i915: Fix broken transcoder err state MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Skip the transcoder whose pipe is disabled while initializing transcoder error state in 3 non-contiguous display pipe system. v2: - Don't skip EDP_TRANSCODER error state. [Ville] - Use a helper has_transcoder(). [Ville] v3: - Removed DSI transcoder case from has_transcoder(), and few other cosmetic changes. [Ville] Cc: Ville Syrjälä Signed-off-by: Anshuman Gupta Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20200224124004.26712-4-anshuman.gupta@intel.com --- drivers/gpu/drm/i915/display/intel_display.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 0563d91b83ff..7399dee2fd37 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -249,6 +249,15 @@ intel_fdi_link_freq(struct drm_i915_private *dev_priv, return dev_priv->fdi_pll_freq; } +static bool +has_transcoder(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder) +{ + if (cpu_transcoder == TRANSCODER_EDP) + return HAS_TRANSCODER_EDP(dev_priv); + else + return INTEL_INFO(dev_priv)->pipe_mask & BIT(cpu_transcoder); +} + static const struct intel_limit intel_limits_i8xx_dac = { .dot = { .min = 25000, .max = 350000 }, .vco = { .min = 908000, .max = 1512000 }, @@ -18930,7 +18939,7 @@ intel_display_capture_error_state(struct drm_i915_private *dev_priv) for (i = 0; i < ARRAY_SIZE(error->transcoder); i++) { enum transcoder cpu_transcoder = transcoders[i]; - if (!INTEL_INFO(dev_priv)->trans_offsets[cpu_transcoder]) + if (!has_transcoder(dev_priv, cpu_transcoder)) continue; error->transcoder[i].available = true; -- 2.11.0