diff mbox series

[v3,22/30] drm/i915/dg2: Define MOCS table for DG2

Message ID 20210723174239.1551352-23-matthew.d.roper@intel.com (mailing list archive)
State New, archived
Headers show
Series Begin enabling Xe_HP SDV and DG2 platforms | expand

Commit Message

Matt Roper July 23, 2021, 5:42 p.m. UTC
Bspec: 45101, 45427
Cc: Ramalingam C <ramalingam.c@intel.com>(v5)
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_mocs.c | 35 +++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

Comments

Matt Atwood July 29, 2021, 3:14 p.m. UTC | #1
On Fri, Jul 23, 2021 at 10:42:31AM -0700, Matt Roper wrote:
> Bspec: 45101, 45427
> Cc: Ramalingam C <ramalingam.c@intel.com>(v5)
> Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
> ---
>  drivers/gpu/drm/i915/gt/intel_mocs.c | 35 +++++++++++++++++++++++++++-
>  1 file changed, 34 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
> index 0c9d0b936c20..d22ca8212092 100644
> --- a/drivers/gpu/drm/i915/gt/intel_mocs.c
> +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
> @@ -341,6 +341,30 @@ static const struct drm_i915_mocs_entry xehpsdv_mocs_table[] = {
>  	MOCS_ENTRY(63, 0, L3_1_UC),
>  };
>  
> +static const struct drm_i915_mocs_entry dg2_mocs_table[] = {
> +	/* UC - Coherent; GO:L3 */
> +	MOCS_ENTRY(0, 0, L3_1_UC | L3_LKUP(1)),
> +	/* UC - Coherent; GO:Memory */
> +	MOCS_ENTRY(1, 0, L3_1_UC | L3_GLBGO(1) | L3_LKUP(1)),
> +	/* UC - Non-Coherent; GO:Memory */
> +	MOCS_ENTRY(2, 0, L3_1_UC | L3_GLBGO(1)),
> +
> +	/* WB - LC */
> +	MOCS_ENTRY(3, 0, L3_3_WB | L3_LKUP(1)),
> +};
> +
> +static const struct drm_i915_mocs_entry dg2_mocs_table_g10_ax[] = {
> +	/* Wa_14011441408: Set Go to Memory for MOCS#0 */
> +	MOCS_ENTRY(0, 0, L3_1_UC | L3_GLBGO(1) | L3_LKUP(1)),
> +	/* UC - Coherent; GO:Memory */
> +	MOCS_ENTRY(1, 0, L3_1_UC | L3_GLBGO(1) | L3_LKUP(1)),
> +	/* UC - Non-Coherent; GO:Memory */
> +	MOCS_ENTRY(2, 0, L3_1_UC | L3_GLBGO(1)),
> +
> +	/* WB - LC */
> +	MOCS_ENTRY(3, 0, L3_3_WB | L3_LKUP(1)),
> +};
> +
>  enum {
>  	HAS_GLOBAL_MOCS = BIT(0),
>  	HAS_ENGINE_MOCS = BIT(1),
> @@ -367,7 +391,16 @@ static unsigned int get_mocs_settings(const struct drm_i915_private *i915,
>  {
>  	unsigned int flags;
>  
> -	if (IS_XEHPSDV(i915)) {
> +	if (IS_DG2(i915)) {
> +		if (IS_DG2_GT_STEP(i915, G10, STEP_A0, (STEP_B0 - 1))) {
> +			table->size = ARRAY_SIZE(dg2_mocs_table_g10_ax);
> +			table->table = dg2_mocs_table_g10_ax;
> +		} else {
> +			table->size = ARRAY_SIZE(dg2_mocs_table);
> +			table->table = dg2_mocs_table;
> +		}
> +		table->n_entries = GEN9_NUM_MOCS_ENTRIES;
> +	} else if (IS_XEHPSDV(i915)) {
>  		table->size = ARRAY_SIZE(xehpsdv_mocs_table);
>  		table->table = xehpsdv_mocs_table;
>  		table->n_entries = GEN9_NUM_MOCS_ENTRIES;
> -- 
> 2.25.4
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
index 0c9d0b936c20..d22ca8212092 100644
--- a/drivers/gpu/drm/i915/gt/intel_mocs.c
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
@@ -341,6 +341,30 @@  static const struct drm_i915_mocs_entry xehpsdv_mocs_table[] = {
 	MOCS_ENTRY(63, 0, L3_1_UC),
 };
 
+static const struct drm_i915_mocs_entry dg2_mocs_table[] = {
+	/* UC - Coherent; GO:L3 */
+	MOCS_ENTRY(0, 0, L3_1_UC | L3_LKUP(1)),
+	/* UC - Coherent; GO:Memory */
+	MOCS_ENTRY(1, 0, L3_1_UC | L3_GLBGO(1) | L3_LKUP(1)),
+	/* UC - Non-Coherent; GO:Memory */
+	MOCS_ENTRY(2, 0, L3_1_UC | L3_GLBGO(1)),
+
+	/* WB - LC */
+	MOCS_ENTRY(3, 0, L3_3_WB | L3_LKUP(1)),
+};
+
+static const struct drm_i915_mocs_entry dg2_mocs_table_g10_ax[] = {
+	/* Wa_14011441408: Set Go to Memory for MOCS#0 */
+	MOCS_ENTRY(0, 0, L3_1_UC | L3_GLBGO(1) | L3_LKUP(1)),
+	/* UC - Coherent; GO:Memory */
+	MOCS_ENTRY(1, 0, L3_1_UC | L3_GLBGO(1) | L3_LKUP(1)),
+	/* UC - Non-Coherent; GO:Memory */
+	MOCS_ENTRY(2, 0, L3_1_UC | L3_GLBGO(1)),
+
+	/* WB - LC */
+	MOCS_ENTRY(3, 0, L3_3_WB | L3_LKUP(1)),
+};
+
 enum {
 	HAS_GLOBAL_MOCS = BIT(0),
 	HAS_ENGINE_MOCS = BIT(1),
@@ -367,7 +391,16 @@  static unsigned int get_mocs_settings(const struct drm_i915_private *i915,
 {
 	unsigned int flags;
 
-	if (IS_XEHPSDV(i915)) {
+	if (IS_DG2(i915)) {
+		if (IS_DG2_GT_STEP(i915, G10, STEP_A0, (STEP_B0 - 1))) {
+			table->size = ARRAY_SIZE(dg2_mocs_table_g10_ax);
+			table->table = dg2_mocs_table_g10_ax;
+		} else {
+			table->size = ARRAY_SIZE(dg2_mocs_table);
+			table->table = dg2_mocs_table;
+		}
+		table->n_entries = GEN9_NUM_MOCS_ENTRIES;
+	} else if (IS_XEHPSDV(i915)) {
 		table->size = ARRAY_SIZE(xehpsdv_mocs_table);
 		table->table = xehpsdv_mocs_table;
 		table->n_entries = GEN9_NUM_MOCS_ENTRIES;