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Commit 62801bf6 authored by Dhinakaran Pandiyan's avatar Dhinakaran Pandiyan Committed by Rodrigo Vivi
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drm/i915/psr: Comment to clarify SRD_DEBUG is called PSR_MASK SKL+ 



What was called SRD_DEBUG(0x6F860) on HSW and BDW was renamed to PSR_MASK
SKL onwards, add a note next to the macro definition.
There is also a different PSR_DEBUG on SKL+ to add to the confusion.

Signed-off-by: default avatarDhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Acked-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180313040954.6289-1-dhinakaran.pandiyan@intel.com
parent 629820fc

drivers/gpu/drm/i915/i915_reg.h

+2 −2
Original line number Diff line number Diff line
@@ -4180,13 +4180,13 @@ enum { 
#define EDP_PSR_PERF_CNT		_MMIO(dev_priv->psr_mmio_base + 0x44)

#define   EDP_PSR_PERF_CNT_MASK		0xffffff



#define EDP_PSR_DEBUG				_MMIO(dev_priv->psr_mmio_base + 0x60)

#define EDP_PSR_DEBUG				_MMIO(dev_priv->psr_mmio_base + 0x60) /* PSR_MASK on SKL+ */

#define   EDP_PSR_DEBUG_MASK_MAX_SLEEP         (1<<28)

#define   EDP_PSR_DEBUG_MASK_LPSP              (1<<27)

#define   EDP_PSR_DEBUG_MASK_MEMUP             (1<<26)

#define   EDP_PSR_DEBUG_MASK_HPD               (1<<25)

#define   EDP_PSR_DEBUG_MASK_DISP_REG_WRITE    (1<<16)

#define   EDP_PSR_DEBUG_EXIT_ON_PIXEL_UNDERRUN (1<<15)

#define   EDP_PSR_DEBUG_EXIT_ON_PIXEL_UNDERRUN (1<<15) /* SKL+ */



#define EDP_PSR2_CTL			_MMIO(0x6f900)

#define   EDP_PSR2_ENABLE		(1<<31)