@@ -353,6 +353,9 @@ static int a5xx_me_init(struct msm_gpu *gpu)
* 2D mode 3 draw
*/
OUT_RING(ring, 0x0000000B);
+ } else if (adreno_is_a510(adreno_gpu)) {
+ /* Workaround for token and syncs */
+ OUT_RING(ring, 0x00000001);
} else {
/* No workarounds enabled */
OUT_RING(ring, 0x00000000);
@@ -568,15 +571,24 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
0x00100000 + adreno_gpu->gmem - 1);
gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MAX_HI, 0x00000000);
- gpu_write(gpu, REG_A5XX_CP_MEQ_THRESHOLDS, 0x40);
- if (adreno_is_a530(adreno_gpu))
- gpu_write(gpu, REG_A5XX_CP_MERCIU_SIZE, 0x40);
- if (adreno_is_a540(adreno_gpu))
- gpu_write(gpu, REG_A5XX_CP_MERCIU_SIZE, 0x400);
- gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_2, 0x80000060);
- gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_1, 0x40201B16);
-
- gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL, (0x400 << 11 | 0x300 << 22));
+ if (adreno_is_a510(adreno_gpu)) {
+ gpu_write(gpu, REG_A5XX_CP_MEQ_THRESHOLDS, 0x20);
+ gpu_write(gpu, REG_A5XX_CP_MERCIU_SIZE, 0x20);
+ gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_2, 0x40000030);
+ gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_1, 0x20100D0A);
+ gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL,
+ (0x200 << 11 | 0x200 << 22));
+ } else {
+ gpu_write(gpu, REG_A5XX_CP_MEQ_THRESHOLDS, 0x40);
+ if (adreno_is_a530(adreno_gpu))
+ gpu_write(gpu, REG_A5XX_CP_MERCIU_SIZE, 0x40);
+ if (adreno_is_a540(adreno_gpu))
+ gpu_write(gpu, REG_A5XX_CP_MERCIU_SIZE, 0x400);
+ gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_2, 0x80000060);
+ gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_1, 0x40201B16);
+ gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL,
+ (0x400 << 11 | 0x300 << 22));
+ }
if (adreno_gpu->info->quirks & ADRENO_QUIRK_TWO_PASS_USE_WFI)
gpu_rmw(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0, (1 << 8));
@@ -589,6 +601,19 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
/* Enable ME/PFP split notification */
gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL1, 0xA6FFFFFF);
+ /*
+ * In A5x, CCU can send context_done event of a particular context to
+ * UCHE which ultimately reaches CP even when there is valid
+ * transaction of that context inside CCU. This can let CP to program
+ * config registers, which will make the "valid transaction" inside
+ * CCU to be interpreted differently. This can cause gpu fault. This
+ * bug is fixed in latest A510 revision. To enable this bug fix -
+ * bit[11] of RB_DBG_ECO_CNTL need to be set to 0, default is 1
+ * (disable). For older A510 version this bit is unused.
+ */
+ if (adreno_is_a510(adreno_gpu))
+ gpu_rmw(gpu, REG_A5XX_RB_DBG_ECO_CNTL, (1 << 11), 0);
+
/* Enable HWCG */
a5xx_set_hwcg(gpu, true);
@@ -635,7 +660,7 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
/* UCHE */
gpu_write(gpu, REG_A5XX_CP_PROTECT(16), ADRENO_PROTECT_RW(0xE80, 16));
- if (adreno_is_a530(adreno_gpu))
+ if (adreno_is_a530(adreno_gpu) || adreno_is_a510(adreno_gpu))
gpu_write(gpu, REG_A5XX_CP_PROTECT(17),
ADRENO_PROTECT_RW(0x10000, 0x8000));
@@ -679,7 +704,8 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
a5xx_preempt_hw_init(gpu);
- a5xx_gpmu_ucode_init(gpu);
+ if (!adreno_is_a510(adreno_gpu))
+ a5xx_gpmu_ucode_init(gpu);
ret = a5xx_ucode_init(gpu);
if (ret)
@@ -712,7 +738,8 @@ static int a5xx_hw_init(struct msm_gpu *gpu)
}
/*
- * Try to load a zap shader into the secure world. If successful
+ * If the chip that we are using does support loading one, then
+ * try to load a zap shader into the secure world. If successful
* we can use the CP to switch out of secure mode. If not then we
* have no resource but to try to switch ourselves out manually. If we
* guessed wrong then access to the RBBM_SECVID_TRUST_CNTL register will
@@ -1066,6 +1093,7 @@ static void a5xx_dump(struct msm_gpu *gpu)
static int a5xx_pm_resume(struct msm_gpu *gpu)
{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
int ret;
/* Turn on the core power */
@@ -1073,6 +1101,15 @@ static int a5xx_pm_resume(struct msm_gpu *gpu)
if (ret)
return ret;
+ if (adreno_is_a510(adreno_gpu)) {
+ /* Halt the sp_input_clk at HM level */
+ gpu_write(gpu, REG_A5XX_RBBM_CLOCK_CNTL, 0x00000055);
+ a5xx_set_hwcg(gpu, true);
+ /* Turn on sp_input_clk at HM level */
+ gpu_rmw(gpu, REG_A5XX_RBBM_CLOCK_CNTL, 0xff, 0);
+ return 0;
+ }
+
/* Turn the RBCCU domain first to limit the chances of voltage droop */
gpu_write(gpu, REG_A5XX_GPMU_RBCCU_POWER_CNTL, 0x778000);
@@ -1101,9 +1138,17 @@ static int a5xx_pm_resume(struct msm_gpu *gpu)
static int a5xx_pm_suspend(struct msm_gpu *gpu)
{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ u32 mask = 0xf;
+
+ /* A510 has 3 XIN ports in VBIF */
+ if (adreno_is_a510(adreno_gpu))
+ mask = 0x7;
+
/* Clear the VBIF pipe before shutting down */
- gpu_write(gpu, REG_A5XX_VBIF_XIN_HALT_CTRL0, 0xF);
- spin_until((gpu_read(gpu, REG_A5XX_VBIF_XIN_HALT_CTRL1) & 0xF) == 0xF);
+ gpu_write(gpu, REG_A5XX_VBIF_XIN_HALT_CTRL0, mask);
+ spin_until((gpu_read(gpu, REG_A5XX_VBIF_XIN_HALT_CTRL1) &
+ mask) == mask);
gpu_write(gpu, REG_A5XX_VBIF_XIN_HALT_CTRL0, 0);
@@ -297,6 +297,10 @@ int a5xx_power_init(struct msm_gpu *gpu)
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
int ret;
+ /* Not all A5xx chips have a GPMU */
+ if (adreno_is_a510(adreno_gpu))
+ return 0;
+
/* Set up the limits management */
if (adreno_is_a530(adreno_gpu))
a530_lm_setup(gpu);
@@ -326,6 +330,9 @@ void a5xx_gpmu_ucode_init(struct msm_gpu *gpu)
unsigned int *data, *ptr, *cmds;
unsigned int cmds_size;
+ if (adreno_is_a510(adreno_gpu))
+ return;
+
if (a5xx_gpu->gpmu_bo)
return;
@@ -114,6 +114,21 @@ static const struct adreno_info gpulist[] = {
.gmem = (SZ_1M + SZ_512K),
.inactive_period = DRM_MSM_INACTIVE_PERIOD,
.init = a4xx_gpu_init,
+ }, {
+ .rev = ADRENO_REV(5, 1, 0, ANY_ID),
+ .revn = 510,
+ .name = "A510",
+ .fw = {
+ [ADRENO_FW_PM4] = "a530_pm4.fw",
+ [ADRENO_FW_PFP] = "a530_pfp.fw",
+ },
+ .gmem = SZ_256K,
+ /*
+ * Increase inactive period to 250 to avoid bouncing
+ * the GDSC which appears to make it grumpy
+ */
+ .inactive_period = 250,
+ .init = a5xx_gpu_init,
}, {
.rev = ADRENO_REV(5, 3, 0, 2),
.revn = 530,
@@ -206,6 +206,11 @@ static inline int adreno_is_a430(struct adreno_gpu *gpu)
return gpu->revn == 430;
}
+static inline int adreno_is_a510(struct adreno_gpu *gpu)
+{
+ return gpu->revn == 510;
+}
+
static inline int adreno_is_a530(struct adreno_gpu *gpu)
{
return gpu->revn == 530;