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[PATCH v1 6/6] drm/panfrost: Set HW_FEATURE_AARCH64_MMU feature flag on Bifrost models

Ariel D'Alessandro posted 6 patches 11 months ago
There is a newer version of this series
[PATCH v1 6/6] drm/panfrost: Set HW_FEATURE_AARCH64_MMU feature flag on Bifrost models
Posted by Ariel D'Alessandro 11 months ago 
Set this feature flag on all Mali Bifrost platforms as the MMU supports
AARCH64 4K page table format.

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
---
 drivers/gpu/drm/panfrost/panfrost_features.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/panfrost/panfrost_features.h b/drivers/gpu/drm/panfrost/panfrost_features.h
index 7ed0cd3ea2d4c..52f9d69f6db9d 100644
--- a/drivers/gpu/drm/panfrost/panfrost_features.h
+++ b/drivers/gpu/drm/panfrost/panfrost_features.h
@@ -54,6 +54,7 @@ enum panfrost_hw_feature {
 	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
 	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
 	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
+	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
 	BIT_ULL(HW_FEATURE_COHERENCY_REG))
 
 #define hw_features_g72 (\
@@ -64,6 +65,7 @@ enum panfrost_hw_feature {
 	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
 	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
 	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
+	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
 	BIT_ULL(HW_FEATURE_COHERENCY_REG))
 
 #define hw_features_g51 hw_features_g72
@@ -77,6 +79,7 @@ enum panfrost_hw_feature {
 	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
 	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
 	BIT_ULL(HW_FEATURE_IDVS_GROUP_SIZE) | \
+	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
 	BIT_ULL(HW_FEATURE_COHERENCY_REG))
 
 #define hw_features_g76 (\
-- 
2.47.2
Re: [PATCH v1 6/6] drm/panfrost: Set HW_FEATURE_AARCH64_MMU feature flag on Bifrost models
Posted by Steven Price 11 months ago 
On 10/03/2025 19:59, Ariel D'Alessandro wrote:
> Set this feature flag on all Mali Bifrost platforms as the MMU supports
> AARCH64 4K page table format.
> 
> Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>

Reviewed-by: Steven Price <steven.price@arm.com>

> ---
>  drivers/gpu/drm/panfrost/panfrost_features.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_features.h b/drivers/gpu/drm/panfrost/panfrost_features.h
> index 7ed0cd3ea2d4c..52f9d69f6db9d 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_features.h
> +++ b/drivers/gpu/drm/panfrost/panfrost_features.h
> @@ -54,6 +54,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
>  	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>  
>  #define hw_features_g72 (\
> @@ -64,6 +65,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>  
>  #define hw_features_g51 hw_features_g72
> @@ -77,6 +79,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
>  	BIT_ULL(HW_FEATURE_IDVS_GROUP_SIZE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>  
>  #define hw_features_g76 (\
Re: [PATCH v1 6/6] drm/panfrost: Set HW_FEATURE_AARCH64_MMU feature flag on Bifrost models
Posted by Boris Brezillon 11 months ago 
On Mon, 10 Mar 2025 16:59:21 -0300
Ariel D'Alessandro <ariel.dalessandro@collabora.com> wrote:

> Set this feature flag on all Mali Bifrost platforms as the MMU supports
> AARCH64 4K page table format.
> 
> Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>

Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>

> ---
>  drivers/gpu/drm/panfrost/panfrost_features.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_features.h b/drivers/gpu/drm/panfrost/panfrost_features.h
> index 7ed0cd3ea2d4c..52f9d69f6db9d 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_features.h
> +++ b/drivers/gpu/drm/panfrost/panfrost_features.h
> @@ -54,6 +54,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_THREAD_GROUP_SPLIT) | \
>  	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>  
>  #define hw_features_g72 (\
> @@ -64,6 +65,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_FLUSH_REDUCTION) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>  
>  #define hw_features_g51 hw_features_g72
> @@ -77,6 +79,7 @@ enum panfrost_hw_feature {
>  	BIT_ULL(HW_FEATURE_PROTECTED_MODE) | \
>  	BIT_ULL(HW_FEATURE_PROTECTED_DEBUG_MODE) | \
>  	BIT_ULL(HW_FEATURE_IDVS_GROUP_SIZE) | \
> +	BIT_ULL(HW_FEATURE_AARCH64_MMU) | \
>  	BIT_ULL(HW_FEATURE_COHERENCY_REG))
>  
>  #define hw_features_g76 (\

Patchew 2.1-devel-b67e4c2

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