Re: [PATCH] drm: msm: Add 680 gpu to the adreno gpu list

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On 7/30/2021 5:38 AM, Rob Clark wrote:
On Sat, Jul 24, 2021 at 8:21 PM Bjorn Andersson
<bjorn.andersson@xxxxxxxxxx> wrote:

This patch adds a Adreno 680 entry to the gpulist.

Looks reasonable, but I wonder if we should just go ahead and add
adreno_is_a640_family() in a similar vein to
adreno_is_a650_familiy()/adreno_is_a660_family().. I think most of the
'if (a640) ...' should also apply to a680?

If there is no delta, wouldn't it be better to simply add a680 to adreno_is_a640?

-Akhil.


BR,
-R

Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
  drivers/gpu/drm/msm/adreno/a6xx_gmu.c      |  5 +++--
  drivers/gpu/drm/msm/adreno/a6xx_gpu.c      | 12 +++++++-----
  drivers/gpu/drm/msm/adreno/a6xx_hfi.c      |  2 +-
  drivers/gpu/drm/msm/adreno/adreno_device.c | 13 +++++++++++++
  drivers/gpu/drm/msm/adreno/adreno_gpu.h    |  5 +++++
  5 files changed, 29 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index b349692219b7..1c0d75e1189f 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -521,7 +521,8 @@ static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu)

         if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu))
                 pdc_in_aop = true;
-       else if (adreno_is_a618(adreno_gpu) || adreno_is_a640(adreno_gpu))
+       else if (adreno_is_a618(adreno_gpu) || adreno_is_a640(adreno_gpu) ||
+                adreno_is_a680(adreno_gpu))
                 pdc_address_offset = 0x30090;
         else
                 pdc_address_offset = 0x30080;
@@ -1522,7 +1523,7 @@ int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node)
                         SZ_16M - SZ_16K, 0x04000);
                 if (ret)
                         goto err_memory;
-       } else if (adreno_is_a640(adreno_gpu)) {
+       } else if (adreno_is_a640(adreno_gpu) || adreno_is_a680(adreno_gpu)) {
                 ret = a6xx_gmu_memory_alloc(gmu, &gmu->icache,
                         SZ_256K - SZ_16K, 0x04000);
                 if (ret)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 9c5e4618aa0a..5cdafc6c8bb0 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -683,7 +683,7 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
         if (adreno_is_a618(adreno_gpu))
                 return;

-       if (adreno_is_a640(adreno_gpu))
+       if (adreno_is_a640(adreno_gpu) || adreno_is_a680(adreno_gpu))
                 amsbc = 1;

         if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu)) {
@@ -757,7 +757,7 @@ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu,
          * a660 targets have all the critical security fixes from the start
          */
         if (adreno_is_a618(adreno_gpu) || adreno_is_a630(adreno_gpu) ||
-               adreno_is_a640(adreno_gpu)) {
+           adreno_is_a640(adreno_gpu) || adreno_is_a680(adreno_gpu)) {
                 /*
                  * If the lowest nibble is 0xa that is an indication that this
                  * microcode has been patched. The actual version is in dword
@@ -897,7 +897,8 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
         a6xx_set_hwcg(gpu, true);

         /* VBIF/GBIF start*/
-       if (adreno_is_a640(adreno_gpu) || adreno_is_a650_family(adreno_gpu)) {
+       if (adreno_is_a640(adreno_gpu) || adreno_is_a650_family(adreno_gpu) ||
+           adreno_is_a680(adreno_gpu)) {
                 gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE0, 0x00071620);
                 gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE1, 0x00071620);
                 gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE2, 0x00071620);
@@ -935,7 +936,8 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
         gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804);
         gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, 0x4);

-       if (adreno_is_a640(adreno_gpu) || adreno_is_a650_family(adreno_gpu))
+       if (adreno_is_a640(adreno_gpu) || adreno_is_a650_family(adreno_gpu) ||
+           adreno_is_a680(adreno_gpu))
                 gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x02000140);
         else
                 gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0);
@@ -952,7 +954,7 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
         */
         if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu))
                 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
-       else if (adreno_is_a640(adreno_gpu))
+       else if (adreno_is_a640(adreno_gpu) || adreno_is_a680(adreno_gpu))
                 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200200);
         else
                 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00180000);
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
index 919433732b43..df8af237cf6a 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
@@ -428,7 +428,7 @@ static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)

         if (adreno_is_a618(adreno_gpu))
                 a618_build_bw_table(&msg);
-       else if (adreno_is_a640(adreno_gpu))
+       else if (adreno_is_a640(adreno_gpu) || adreno_is_a680(adreno_gpu))
                 a640_build_bw_table(&msg);
         else if (adreno_is_a650(adreno_gpu))
                 a650_build_bw_table(&msg);
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 6dad8015c9a1..799e4a35ca44 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -300,6 +300,19 @@ static const struct adreno_info gpulist[] = {
                 .init = a6xx_gpu_init,
                 .zapfw = "a660_zap.mdt",
                 .hwcg = a660_hwcg,
+       }, {
+               .rev = ADRENO_REV(6, 8, 0, ANY_ID),
+               .revn = 680,
+               .name = "A680",
+               .fw = {
+                       [ADRENO_FW_SQE] = "a630_sqe.fw",
+                       [ADRENO_FW_GMU] = "a640_gmu.bin",
+               },
+               .gmem = SZ_2M,
+               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+               .init = a6xx_gpu_init,
+               .zapfw = "a640_zap.mdt",
+               .hwcg = a640_hwcg,
         },
  };

diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 8dbe0d157520..a7e843e81b1e 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -258,6 +258,11 @@ static inline int adreno_is_a650_family(struct adreno_gpu *gpu)
         return gpu->revn == 650 || gpu->revn == 620 || gpu->revn == 660;
  }

+static inline int adreno_is_a680(struct adreno_gpu *gpu)
+{
+       return gpu->revn == 680;
+}
+
  int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value);
  const struct firmware *adreno_request_fw(struct adreno_gpu *adreno_gpu,
                 const char *fwname);
--
2.29.2





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