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authorKonrad Dybcio <konrad.dybcio@somainline.org>2022-05-28 19:03:49 +0300
committerRob Clark <robdclark@chromium.org>2022-07-06 18:41:19 +0300
commitb7616b5c69e62e76cf5364915321377344ce1f8e (patch)
tree43cdd1b08f19ad11a8268425dcffd7b925f9725d /drivers/gpu/drm/msm/adreno/a6xx_gmu.c
parent0165e9c119c92fae4366c92ea459edde0224bfa7 (diff)
downloadlinux-b7616b5c69e62e76cf5364915321377344ce1f8e.tar.xz
drm/msm/adreno: Add A619 support
Add support for the Adreno 619 GPU, as found in Snapdragon 690 (SM6350), 480 (SM4350) and 750G (SM7225). Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/487588/ Link: https://lore.kernel.org/r/20220528160353.157870-2-konrad.dybcio@somainline.org Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gmu.c')
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gmu.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
index 7ccf9916bf19..c6660307e437 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c
@@ -528,6 +528,8 @@ static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu)
pdc_in_aop = true;
else if (adreno_is_a618(adreno_gpu) || adreno_is_a640_family(adreno_gpu))
pdc_address_offset = 0x30090;
+ else if (adreno_is_a619(adreno_gpu))
+ pdc_address_offset = 0x300a0;
else
pdc_address_offset = 0x30080;
@@ -602,7 +604,8 @@ static void a6xx_gmu_rpmh_init(struct a6xx_gmu *gmu)
pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_MSGID + 4, 0x10108);
pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_ADDR + 4, 0x30000);
- if (adreno_is_a618(adreno_gpu) || adreno_is_a650_family(adreno_gpu))
+ if (adreno_is_a618(adreno_gpu) || adreno_is_a619(adreno_gpu) ||
+ adreno_is_a650_family(adreno_gpu))
pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_DATA + 4, 0x2);
else
pdc_write(pdcptr, REG_A6XX_PDC_GPU_TCS3_CMD0_DATA + 4, 0x3);
@@ -1538,6 +1541,12 @@ int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node)
SZ_16M - SZ_16K, 0x04000, "icache");
if (ret)
goto err_memory;
+ /*
+ * NOTE: when porting legacy ("pre-650-family") GPUs you may be tempted to add a condition
+ * to allocate icache/dcache here, as per downstream code flow, but it may not actually be
+ * necessary. If you omit this step and you don't get random pagefaults, you are likely
+ * good to go without this!
+ */
} else if (adreno_is_a640_family(adreno_gpu)) {
ret = a6xx_gmu_memory_alloc(gmu, &gmu->icache,
SZ_256K - SZ_16K, 0x04000, "icache");
@@ -1548,7 +1557,7 @@ int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node)
SZ_256K - SZ_16K, 0x44000, "dcache");
if (ret)
goto err_memory;
- } else {
+ } else if (adreno_is_a630(adreno_gpu) || adreno_is_a615_family(adreno_gpu)) {
/* HFI v1, has sptprac */
gmu->legacy = true;