Commit 7ff0fca4 authored by José Roberto de Souza's avatar José Roberto de Souza Committed by Lucas De Marchi
Browse files

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



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

Signed-off-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: default avatarMika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-7-lucas.demarchi@intel.com
parent 9747f0c2

drivers/gpu/drm/i915/i915_reg.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -7633,6 +7633,7 @@ enum { 
#define SKL_DFSM_PIPE_A_DISABLE		(1 << 30)

#define SKL_DFSM_PIPE_A_DISABLE		(1 << 30)

#define SKL_DFSM_PIPE_B_DISABLE		(1 << 21)

#define SKL_DFSM_PIPE_B_DISABLE		(1 << 21)

#define SKL_DFSM_PIPE_C_DISABLE		(1 << 28)

#define SKL_DFSM_PIPE_C_DISABLE		(1 << 28)

#define TGL_DFSM_PIPE_D_DISABLE		(1 << 22)





#define SKL_DSSM				_MMIO(0x51004)

#define SKL_DSSM				_MMIO(0x51004)

#define CNL_DSSM_CDCLK_PLL_REFCLK_24MHz		(1 << 31)

#define CNL_DSSM_CDCLK_PLL_REFCLK_24MHz		(1 << 31)

drivers/gpu/drm/i915/intel_device_info.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -938,6 +938,9 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) 
			enabled_mask &= ~BIT(PIPE_B);

			enabled_mask &= ~BIT(PIPE_B);

		if (dfsm & SKL_DFSM_PIPE_C_DISABLE)

		if (dfsm & SKL_DFSM_PIPE_C_DISABLE)

			enabled_mask &= ~BIT(PIPE_C);

			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

		 * At least one pipe should be enabled and if there are

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