Re: [PATCH] drm/i915/gt: drop dependency on VLV_DISPLAY_BASE

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On Thu, 11 May 2023, Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> On Thu, May 11, 2023 at 12:04:27PM +0300, Jani Nikula wrote:
>> CHV_FUSE_GT (0x182168) is purely about GT fuses, therefore belongs in
>> intel_gt_regs.h, is in the gcfgmmio unit, but is technically in the VLV
>> display base area.
>> 
>> Use the 0x182168 MMIO address directly to drop dependency on
>> VLV_DISPLAY_BASE and thus display/intel_display_reg_defs.h in
>> intel_gt_regs.h.
>> 
>> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
>> ---
>>  drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +--
>>  1 file changed, 1 insertion(+), 2 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
>> index b8a39c219b60..f38550dae6b8 100644
>> --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
>> +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
>> @@ -7,7 +7,6 @@
>>  #define __INTEL_GT_REGS__
>>  
>>  #include "i915_reg_defs.h"
>> -#include "display/intel_display_reg_defs.h"	/* VLV_DISPLAY_BASE */
>>  
>>  /*
>>   * The perf control registers are technically multicast registers, but the
>> @@ -1469,7 +1468,7 @@
>>  #define GEN12_RCU_MODE				_MMIO(0x14800)
>>  #define   GEN12_RCU_MODE_CCS_ENABLE		REG_BIT(0)
>>  
>> -#define CHV_FUSE_GT				_MMIO(VLV_DISPLAY_BASE + 0x2168)
>> +#define CHV_FUSE_GT				_MMIO(0x182168)
>
> Or mmaybe s/VLV_DISPLAY_BASE/VLV_GUNIT_BASE/ here? Although all the
> other Gunit register defintions are still in i915_reg.h, and using
> VLV_DISPLAY_BASE. Not sure what to do about all that...

Works for me, as long as I can drop the dependency on
display/intel_display_reg_defs.h.

Just let me know.

BR,
Jani.


>
>>  #define   CHV_FGT_DISABLE_SS0			(1 << 10)
>>  #define   CHV_FGT_DISABLE_SS1			(1 << 11)
>>  #define   CHV_FGT_EU_DIS_SS0_R0_SHIFT		16
>> -- 
>> 2.39.2

-- 
Jani Nikula, Intel Open Source Graphics Center




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