From 7ff0fca4964ff19d8e16669d8d3070018cecdd0f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Roberto=20de=20Souza?= Date: Thu, 11 Jul 2019 10:31:00 -0700 Subject: [PATCH] drm/i915/tgl: Check if pipe D is fused MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit On Tiger Lake there is one more pipe - check if it's fused. Signed-off-by: José Roberto de Souza Signed-off-by: Lucas De Marchi Reviewed-by: Mika Kahola Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-7-lucas.demarchi@intel.com --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_device_info.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 6fe3d74..94e76fa 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7633,6 +7633,7 @@ enum { #define SKL_DFSM_PIPE_A_DISABLE (1 << 30) #define SKL_DFSM_PIPE_B_DISABLE (1 << 21) #define SKL_DFSM_PIPE_C_DISABLE (1 << 28) +#define TGL_DFSM_PIPE_D_DISABLE (1 << 22) #define SKL_DSSM _MMIO(0x51004) #define CNL_DSSM_CDCLK_PLL_REFCLK_24MHz (1 << 31) diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index e0d9a7a..f99c9fd 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -938,6 +938,9 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) enabled_mask &= ~BIT(PIPE_B); if (dfsm & SKL_DFSM_PIPE_C_DISABLE) enabled_mask &= ~BIT(PIPE_C); + if (INTEL_GEN(dev_priv) >= 12 && + (dfsm & TGL_DFSM_PIPE_D_DISABLE)) + enabled_mask &= ~BIT(PIPE_D); /* * At least one pipe should be enabled and if there are -- 2.7.4