It adds support for adreno a405 found on MSM8939. The adreno_is_a430()
check in adreno_submit() needs an extension to cover a405. The
downstream driver suggests it should cover the whole a4xx generation.
That's why it gets changed to adreno_is_a4xx(), while a420 is not
tested though.
Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
---
drivers/gpu/drm/msm/adreno/a4xx_gpu.c | 29 +++++++++++++---------
drivers/gpu/drm/msm/adreno/adreno_device.c | 11 ++++++++
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 5 ++++
4 files changed, 34 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
index 253d8d85daad..70de59751188 100644
--- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c
@@ -66,19 +66,22 @@ static void a4xx_enable_hwcg(struct msm_gpu *gpu)
}
}
- for (i = 0; i < 4; i++) {
- gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_MARB_CCU(i),
- 0x00000922);
- }
+ /* No CCU for A405 */
+ if (!adreno_is_a405(adreno_gpu)) {
+ for (i = 0; i < 4; i++) {
+ gpu_write(gpu, REG_A4XX_RBBM_CLOCK_CTL_MARB_CCU(i),
+ 0x00000922);
+ }
- for (i = 0; i < 4; i++) {
- gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_RB_MARB_CCU(i),
- 0x00000000);
- }
+ for (i = 0; i < 4; i++) {
+ gpu_write(gpu, REG_A4XX_RBBM_CLOCK_HYST_RB_MARB_CCU(i),
+ 0x00000000);
+ }
- for (i = 0; i < 4; i++) {
- gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_RB_MARB_CCU_L1(i),
- 0x00000001);
+ for (i = 0; i < 4; i++) {
+ gpu_write(gpu, REG_A4XX_RBBM_CLOCK_DELAY_RB_MARB_CCU_L1(i),
+ 0x00000001);
+ }
}
gpu_write(gpu, REG_A4XX_RBBM_CLOCK_MODE_GPC, 0x02222222);
@@ -137,7 +140,9 @@ static int a4xx_hw_init(struct msm_gpu *gpu)
uint32_t *ptr, len;
int i, ret;
- if (adreno_is_a420(adreno_gpu)) {
+ if (adreno_is_a405(adreno_gpu)) {
+ gpu_write(gpu, REG_A4XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003);
+ } else if (adreno_is_a420(adreno_gpu)) {
gpu_write(gpu, REG_A4XX_VBIF_ABIT_SORT, 0x0001001F);
gpu_write(gpu, REG_A4XX_VBIF_ABIT_SORT_CONF, 0x000000A4);
gpu_write(gpu, REG_A4XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000001);
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index cb3a6e597d76..b69757383965 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -92,6 +92,17 @@ static const struct adreno_info gpulist[] = {
.gmem = SZ_1M,
.inactive_period = DRM_MSM_INACTIVE_PERIOD,
.init = a3xx_gpu_init,
+ }, {
+ .rev = ADRENO_REV(4, 0, 5, ANY_ID),
+ .revn = 405,
+ .name = "A405",
+ .fw = {
+ [ADRENO_FW_PM4] = "a420_pm4.fw",
+ [ADRENO_FW_PFP] = "a420_pfp.fw",
+ },
+ .gmem = SZ_256K,
+ .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+ .init = a4xx_gpu_init,
}, {
.rev = ADRENO_REV(4, 2, 0, ANY_ID),
.revn = 420,
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 1d5c43c22269..3ddbf507941c 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -459,7 +459,7 @@ void adreno_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
break;
/* fall-thru */
case MSM_SUBMIT_CMD_BUF:
- OUT_PKT3(ring, adreno_is_a430(adreno_gpu) ?
+ OUT_PKT3(ring, adreno_is_a4xx(adreno_gpu) ?
CP_INDIRECT_BUFFER_PFE : CP_INDIRECT_BUFFER_PFD, 2);
OUT_RING(ring, lower_32_bits(submit->cmd[i].iova));
OUT_RING(ring, submit->cmd[i].size);
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index 9ff4e550e7bd..35f744834ea9 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -202,6 +202,11 @@ static inline bool adreno_is_a4xx(struct adreno_gpu *gpu)
return (gpu->revn >= 400) && (gpu->revn < 500);
}
+static inline int adreno_is_a405(struct adreno_gpu *gpu)
+{
+ return gpu->revn == 405;
+}
+
static inline int adreno_is_a420(struct adreno_gpu *gpu)
{
return gpu->revn == 420;
--
2.17.1
