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Message-ID: <20241123192551.ederap4nmtjifrdq@hu-akhilpo-hyd.qualcomm.com>
Date: Sun, 24 Nov 2024 00:55:51 +0530
From: Akhil P Oommen <quic_akhilpo@...cinc.com>
To: Neil Armstrong <neil.armstrong@...aro.org>
CC: Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
"Stephen
Boyd" <sboyd@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Rob Clark
<robdclark@...il.com>, Sean Paul <sean@...rly.run>,
Konrad Dybcio
<konradybcio@...nel.org>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
"Dmitry
Baryshkov" <dmitry.baryshkov@...aro.org>,
Marijn Suijten
<marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>, "Simona
Vetter" <simona@...ll.ch>,
Bjorn Andersson <andersson@...nel.org>, Rob
Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor
Dooley <conor+dt@...nel.org>,
Connor Abbott <cwabbott0@...il.com>, <linux-pm@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
<dri-devel@...ts.freedesktop.org>, <freedreno@...ts.freedesktop.org>,
<devicetree@...r.kernel.org>
Subject: Re: [PATCH v2 02/11] drm/msm: adreno: rename quirks that are features
On Tue, Nov 19, 2024 at 06:56:37PM +0100, Neil Armstrong wrote:
> Half of the current "Quirks" are in fact features, so rename
> the defines with FEAT instead of QUIRK.
>
> They will be moved in a separate bitfield in a second time.
>
> No functional changes.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
> drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 62 +++++++++++++++---------------
> drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +-
> drivers/gpu/drm/msm/adreno/adreno_device.c | 2 +-
> drivers/gpu/drm/msm/adreno/adreno_gpu.h | 7 ++--
> 4 files changed, 38 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> index 0c560e84ad5a53bb4e8a49ba4e153ce9cf33f7ae..825c820def315968d508973c8ae40c7c7b646569 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> @@ -743,7 +743,7 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_512K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> .init = a6xx_gpu_init,
> .zapfw = "a615_zap.mbn",
> .a6xx = &(const struct a6xx_info) {
> @@ -769,7 +769,7 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_512K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> .init = a6xx_gpu_init,
> .a6xx = &(const struct a6xx_info) {
> .protect = &a630_protect,
> @@ -839,7 +839,7 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_512K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> .init = a6xx_gpu_init,
> .zapfw = "a615_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -864,8 +864,8 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_512K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV,
> .init = a6xx_gpu_init,
> .zapfw = "a620_zap.mbn",
> .a6xx = &(const struct a6xx_info) {
> @@ -892,7 +892,7 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_1M,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> .init = a6xx_gpu_init,
> .zapfw = "a630_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -911,7 +911,7 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_1M,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> .init = a6xx_gpu_init,
> .zapfw = "a640_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -934,8 +934,8 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_1M + SZ_128K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV,
> .init = a6xx_gpu_init,
> .zapfw = "a650_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -961,8 +961,8 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_1M + SZ_512K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV,
> .init = a6xx_gpu_init,
> .zapfw = "a660_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -981,8 +981,8 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_1M + SZ_512K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV,
> .init = a6xx_gpu_init,
> .a6xx = &(const struct a6xx_info) {
> .hwcg = a690_hwcg,
> @@ -1000,8 +1000,8 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_512K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV,
> .init = a6xx_gpu_init,
> .zapfw = "a660_zap.mbn",
> .a6xx = &(const struct a6xx_info) {
> @@ -1028,7 +1028,7 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_2M,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> .init = a6xx_gpu_init,
> .zapfw = "a640_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -1046,8 +1046,8 @@ static const struct adreno_info a6xx_gpus[] = {
> },
> .gmem = SZ_4M,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV,
> .init = a6xx_gpu_init,
> .zapfw = "a690_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -1331,7 +1331,7 @@ static const struct adreno_info a7xx_gpus[] = {
> },
> .gmem = SZ_128K,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_HW_APRIV,
> + .quirks = ADRENO_FEAT_HAS_HW_APRIV,
> .init = a6xx_gpu_init,
> .zapfw = "a702_zap.mbn",
> .a6xx = &(const struct a6xx_info) {
> @@ -1355,9 +1355,9 @@ static const struct adreno_info a7xx_gpus[] = {
> },
> .gmem = SZ_2M,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV |
> - ADRENO_QUIRK_PREEMPTION,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV |
> + ADRENO_FEAT_PREEMPTION,
> .init = a6xx_gpu_init,
> .zapfw = "a730_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -1377,9 +1377,9 @@ static const struct adreno_info a7xx_gpus[] = {
> },
> .gmem = 3 * SZ_1M,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV |
> - ADRENO_QUIRK_PREEMPTION,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV |
> + ADRENO_FEAT_PREEMPTION,
> .init = a6xx_gpu_init,
> .zapfw = "a740_zap.mdt",
> .a6xx = &(const struct a6xx_info) {
> @@ -1400,9 +1400,9 @@ static const struct adreno_info a7xx_gpus[] = {
> },
> .gmem = 3 * SZ_1M,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV |
> - ADRENO_QUIRK_PREEMPTION,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV |
> + ADRENO_FEAT_PREEMPTION,
> .init = a6xx_gpu_init,
> .a6xx = &(const struct a6xx_info) {
> .hwcg = a740_hwcg,
> @@ -1422,9 +1422,9 @@ static const struct adreno_info a7xx_gpus[] = {
> },
> .gmem = 3 * SZ_1M,
> .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> - .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> - ADRENO_QUIRK_HAS_HW_APRIV |
> - ADRENO_QUIRK_PREEMPTION,
> + .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> + ADRENO_FEAT_HAS_HW_APRIV |
> + ADRENO_FEAT_PREEMPTION,
> .init = a6xx_gpu_init,
> .zapfw = "gen70900_zap.mbn",
> .a6xx = &(const struct a6xx_info) {
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index 019610341df1506c89f44e86b8d1deeb27d61857..2ebd3fac212576a1507e0b6afe2560cd0408dd89 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -2478,7 +2478,7 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
> adreno_gpu->gmu_is_wrapper = of_device_is_compatible(node, "qcom,adreno-gmu-wrapper");
>
> adreno_gpu->base.hw_apriv =
> - !!(config->info->quirks & ADRENO_QUIRK_HAS_HW_APRIV);
> + !!(config->info->quirks & ADRENO_FEAT_HAS_HW_APRIV);
>
> /* gpu->info only gets assigned in adreno_gpu_init() */
> is_a7xx = config->info->family == ADRENO_7XX_GEN1 ||
> @@ -2495,7 +2495,7 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
> }
>
> if ((enable_preemption == 1) || (enable_preemption == -1 &&
> - (config->info->quirks & ADRENO_QUIRK_PREEMPTION)))
> + (config->info->quirks & ADRENO_FEAT_PREEMPTION)))
> ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 4);
> else if (is_a7xx)
> ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 1);
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> index 9ffe91920fbfb4841b28aabec9fbde94539fdd83..09d4569f77528c2a20cabc814668c4c930dd07f1 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> @@ -207,7 +207,7 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
>
> priv->is_a2xx = info->family < ADRENO_3XX;
> priv->has_cached_coherent =
> - !!(info->quirks & ADRENO_QUIRK_HAS_CACHED_COHERENT);
> + !!(info->quirks & ADRENO_FEAT_HAS_CACHED_COHERENT);
>
> gpu = info->init(drm);
> if (IS_ERR(gpu)) {
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> index e71f420f8b3a8e6cfc52dd1c4d5a63ef3704a07f..8782c25e8a393ec7d9dc23ad450908d039bd08c5 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> @@ -54,9 +54,10 @@ enum adreno_family {
> #define ADRENO_QUIRK_TWO_PASS_USE_WFI BIT(0)
> #define ADRENO_QUIRK_FAULT_DETECT_MASK BIT(1)
> #define ADRENO_QUIRK_LMLOADKILL_DISABLE BIT(2)
> -#define ADRENO_QUIRK_HAS_HW_APRIV BIT(3)
> -#define ADRENO_QUIRK_HAS_CACHED_COHERENT BIT(4)
> -#define ADRENO_QUIRK_PREEMPTION BIT(5)
> +
IMO, we should not keep features separate. In future, we should just append the next
quirk/feature at the bottom without disturbing the existing bit
mappings. Just to ensure we don't accidentally duplicate a bit number.
I agree on using 'ADRENO_FEAT' to distinguish features.
-Akhil
> +#define ADRENO_FEAT_HAS_HW_APRIV BIT(3)
> +#define ADRENO_FEAT_HAS_CACHED_COHERENT BIT(4)
> +#define ADRENO_FEAT_PREEMPTION BIT(5)
>
> /* Helper for formating the chip_id in the way that userspace tools like
> * crashdec expect.
>
> --
> 2.34.1
>
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