[PATCH 9/9] drm/msm/a6xx: update a6xx_hw_init for A640 and A650

From: Jonathan Marek
Date: Mon Apr 20 2020 - 10:04:18 EST

Adreno 640 and 650 GPUs need some registers set differently.

Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
---
drivers/gpu/drm/msm/adreno/a6xx.xml.h | 14 +++++++
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 56 ++++++++++++++++++++++-----
2 files changed, 61 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx.xml.h b/drivers/gpu/drm/msm/adreno/a6xx.xml.h
index ed78fee2a262..47840b73cdda 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx.xml.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx.xml.h
@@ -1047,6 +1047,8 @@ enum a6xx_tex_type {

#define REG_A6XX_CP_MISC_CNTL 0x00000840

+#define REG_A6XX_CP_APRIV_CNTL 0x00000844
+
#define REG_A6XX_CP_ROQ_THRESHOLDS_1 0x000008c1

#define REG_A6XX_CP_ROQ_THRESHOLDS_2 0x000008c2
@@ -1764,6 +1766,8 @@ static inline uint32_t A6XX_CP_PROTECT_REG_MASK_LEN(uint32_t val)

#define REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL 0x00000010

+#define REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL 0x00000011
+
#define REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL 0x0000001f

#define REG_A6XX_RBBM_INT_CLEAR_CMD 0x00000037
@@ -2418,6 +2422,16 @@ static inline uint32_t A6XX_UCHE_CLIENT_PF_PERFSEL(uint32_t val)

#define REG_A6XX_TPL1_NC_MODE_CNTL 0x0000b604

+#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_0 0x0000b608
+
+#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_1 0x0000b609
+
+#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_2 0x0000b60a
+
+#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_3 0x0000b60b
+
+#define REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_4 0x0000b60c
+
#define REG_A6XX_TPL1_PERFCTR_TP_SEL_0 0x0000b610

#define REG_A6XX_TPL1_PERFCTR_TP_SEL_1 0x0000b611
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index a860d4970e10..e1eb34fa3a99 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -414,7 +414,17 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
a6xx_set_hwcg(gpu, true);

/* VBIF/GBIF start*/
- gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3);
+ if (adreno_is_a640(adreno_gpu) || adreno_is_a650(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);
+ gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE3, 0x00071620);
+ gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE3, 0x00071620);
+ gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, 0x3);
+ } else {
+ gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3);
+ }
+
if (adreno_is_a630(adreno_gpu))
gpu_write(gpu, REG_A6XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000009);

@@ -429,25 +439,35 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE_LO, 0xfffff000);
gpu_write(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE_HI, 0x0001ffff);

- /* Set the GMEM VA range [0x100000:0x100000 + gpu->gmem - 1] */
- gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN_LO,
- REG_A6XX_UCHE_GMEM_RANGE_MIN_HI, 0x00100000);
+ if (!adreno_is_a650(adreno_gpu)) {
+ /* Set the GMEM VA range [0x100000:0x100000 + gpu->gmem - 1] */
+ gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN_LO,
+ REG_A6XX_UCHE_GMEM_RANGE_MIN_HI, 0x00100000);

- gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX_LO,
- REG_A6XX_UCHE_GMEM_RANGE_MAX_HI,
- 0x00100000 + adreno_gpu->gmem - 1);
+ gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX_LO,
+ REG_A6XX_UCHE_GMEM_RANGE_MAX_HI,
+ 0x00100000 + adreno_gpu->gmem - 1);
+ }

gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804);
gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, 0x4);

- gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0);
+ if (adreno_is_a640(adreno_gpu) || adreno_is_a650(adreno_gpu))
+ gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x02000140);
+ else
+ gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0);
gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c);

/* Setting the mem pool size */
gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128);

/* Setting the primFifo thresholds default values */
- gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, (0x300 << 11));
+ if (adreno_is_a650(adreno_gpu))
+ gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300000);
+ else if (adreno_is_a640(adreno_gpu))
+ gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200000);
+ else
+ gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, (0x300 << 11));

/* Set the AHB default slave response to "ERROR" */
gpu_write(gpu, REG_A6XX_CP_AHB_CNTL, 0x1);
@@ -471,6 +491,19 @@ static int a6xx_hw_init(struct msm_gpu *gpu)

gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 1);

+ /* Set weights for bicubic filtering */
+ if (adreno_is_a650(adreno_gpu)) {
+ gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_0, 0);
+ gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_1,
+ 0x3fe05ff4);
+ gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_2,
+ 0x3fa0ebee);
+ gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_3,
+ 0x3f5193ed);
+ gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_4,
+ 0x3f0243f0);
+ }
+
/* Protect registers from the CP */
gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, 0x00000003);

@@ -508,6 +541,11 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
A6XX_PROTECT_RDONLY(0x980, 0x4));
gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RW(0xa630, 0x0));

+ if (adreno_is_a650(adreno_gpu)) {
+ gpu_write(gpu, REG_A6XX_CP_APRIV_CNTL,
+ (1 << 6) | (1 << 5) | (1 << 3) | (1 << 2) | (1 << 1));
+ }
+
/* Enable interrupts */
gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK, A6XX_INT_MASK);

--
2.26.1