[Intel-gfx] [PATCH v1] drm/i915/icl: Define MOCS table for Icelake

Lucas De Marchi lucas.de.marchi at gmail.com
Wed Oct 31 21:57:58 UTC 2018


On Fri, Oct 19, 2018 at 05:19:28PM +0200, Tomasz Lis wrote:
> The table has been unified across OSes to minimize virtualization overhead.
> 
> The MOCS table is now versioned; the patch includes version 1 entries.
> 
> BSpec: 34007
> BSpec: 560
> Signed-off-by: Tomasz Lis <tomasz.lis at intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala at intel.com>
> Cc: Zhenyu Wang <zhenyuw at linux.intel.com>
> ---

Can you please resubmit this series with only the patches not dropped?
This currently fails CI as CI is adding/dropping patches:
https://patchwork.freedesktop.org/series/51258/

Lucas De Marchi

>  drivers/gpu/drm/i915/intel_mocs.c | 246 +++++++++++++++++++++++++++++++++++++-
>  1 file changed, 244 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_mocs.c b/drivers/gpu/drm/i915/intel_mocs.c
> index 77e9871..b76d6db 100644
> --- a/drivers/gpu/drm/i915/intel_mocs.c
> +++ b/drivers/gpu/drm/i915/intel_mocs.c
> @@ -44,6 +44,8 @@ struct drm_i915_mocs_table {
>  #define LE_SCC(value)		((value) << 8)
>  #define LE_PFM(value)		((value) << 11)
>  #define LE_SCF(value)		((value) << 14)
> +#define LE_CoS(value)		((value) << 15)
> +#define LE_SSE(value)		((value) << 17)
>  
>  /* Defines for the tables (LNCFMOCS0 - LNCFMOCS31) - two entries per word */
>  #define L3_ESC(value)		((value) << 0)
> @@ -96,6 +98,243 @@ struct drm_i915_mocs_table {
>   *       may only be updated incrementally by adding entries at the
>   *       end.
>   */
> +static const struct drm_i915_mocs_entry icelake_mocs_table[] = {
> +	[0] = {
> +	  /* Base - Uncached (Deprecated) */
> +	  .control_value = LE_CACHEABILITY(LE_UC) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(0) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[1] = {
> +	  /* Base - L3 + LeCC:PAT (Deprecated) */
> +	  .control_value = LE_CACHEABILITY(LE_PAGETABLE) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(0) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[2] = {
> +	  /* Base - L3 + LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[3] = {
> +	  /* Base - Uncached */
> +	  .control_value = LE_CACHEABILITY(LE_UC) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(0) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[4] = {
> +	  /* Base - L3 */
> +	  .control_value = LE_CACHEABILITY(LE_UC) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(0) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[5] = {
> +	  /* Base - LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[6] = {
> +	  /* Age 0 - LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(1) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[7] = {
> +	  /* Age 0 - L3 + LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(1) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[8] = {
> +	  /* Age: Don't Chg. - LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(2) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[9] = {
> +	  /* Age: Don't Chg. - L3 + LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(2) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[10] = {
> +	  /* No AOM - LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(1) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[11] = {
> +	  /* No AOM - L3 + LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(1) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[12] = {
> +	  /* No AOM; Age 0 - LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(1) | LE_AOM(1) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[13] = {
> +	  /* No AOM; Age 0 - L3 + LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(1) | LE_AOM(1) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[14] = {
> +	  /* No AOM; Age:DC - LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(2) | LE_AOM(1) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[15] = {
> +	  /* No AOM; Age:DC - L3 + LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(2) | LE_AOM(1) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[16] = {
> +	  /* Reserved - For future use */
> +	  .control_value = LE_CACHEABILITY(LE_PAGETABLE) |
> +			   LE_TGT_CACHE(LE_TC_PAGETABLE) |
> +			   LE_LRUM(0) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_DIRECT),
> +	},
> +	[17] = {
> +	  /* Reserved - For future use */
> +	  .control_value = LE_CACHEABILITY(LE_PAGETABLE) |
> +			   LE_TGT_CACHE(LE_TC_PAGETABLE) |
> +			   LE_LRUM(0) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_DIRECT),
> +	},
> +	[18] = {
> +	  /* Self-Snoop - L3 + LLC */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(3),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[19] = {
> +	  /* Skip Caching - L3 + LLC(12.5%) */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[20] = {
> +	  /* Skip Caching - L3 + LLC(25%) */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[21] = {
> +	  /* Skip Caching - L3 + LLC(50%) */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[22] = {
> +	  /* Skip Caching - L3 + LLC(75%) */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(1) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[23] = {
> +	  /* Skip Caching - L3 + LLC(87.5%) */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(1) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_WB),
> +	},
> +	[62] = {
> +	  /* HW Reserved - SW program but never use */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +	[63] = {
> +	  /* HW Reserved - SW program but never use */
> +	  .control_value = LE_CACHEABILITY(LE_WB) |
> +			   LE_TGT_CACHE(LE_TC_LLC) |
> +			   LE_LRUM(3) | LE_AOM(0) | LE_RSC(0) | LE_SCC(0) |
> +			   LE_PFM(0) | LE_SCF(0) | LE_CoS(0) | LE_SSE(0),
> +
> +	  .l3cc_value =    L3_ESC(0) | L3_SCC(0) | L3_CACHEABILITY(L3_UC),
> +	},
> +};
> +
>  static const struct drm_i915_mocs_entry skylake_mocs_table[] = {
>  	[I915_MOCS_UNCACHED] = {
>  	  /* 0x00000009 */
> @@ -178,8 +417,11 @@ static bool get_mocs_settings(struct drm_i915_private *dev_priv,
>  {
>  	bool result = false;
>  
> -	if (IS_GEN9_BC(dev_priv) || IS_CANNONLAKE(dev_priv) ||
> -	    IS_ICELAKE(dev_priv)) {
> +	if (IS_ICELAKE(dev_priv)) {
> +		table->size  = ARRAY_SIZE(icelake_mocs_table);
> +		table->table = icelake_mocs_table;
> +		result = true;
> +	} else if (IS_GEN9_BC(dev_priv) || IS_CANNONLAKE(dev_priv)) {
>  		table->size  = ARRAY_SIZE(skylake_mocs_table);
>  		table->table = skylake_mocs_table;
>  		result = true;
> -- 
> 2.7.4
> 
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