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drm/i915/tgl: Check if pipe D is fused

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On Tiger Lake there is one more pipe - check if it's fused.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-7-lucas.demarchi@intel.com
This commit is contained in:
José Roberto de Souza 2019-07-11 10:31:00 -07:00 committed by Lucas De Marchi
parent 9747f0c2fb
commit 7ff0fca496
2 changed files with 4 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_reg.h
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@ -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)

3
drivers/gpu/drm/i915/intel_device_info.c
View File

@ -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