@@ -1379,7 +1379,8 @@ static const struct adreno_info a7xx_gpus[] = {
.inactive_period = DRM_MSM_INACTIVE_PERIOD,
.features = ADRENO_FEAT_HAS_CACHED_COHERENT |
ADRENO_FEAT_HAS_HW_APRIV |
- ADRENO_FEAT_PREEMPTION,
+ ADRENO_FEAT_PREEMPTION |
+ ADRENO_FEAT_GMU_BW_VOTE,
.init = a6xx_gpu_init,
.zapfw = "a740_zap.mdt",
.a6xx = &(const struct a6xx_info) {
@@ -1388,6 +1389,16 @@ static const struct adreno_info a7xx_gpus[] = {
.pwrup_reglist = &a7xx_pwrup_reglist,
.gmu_chipid = 0x7020100,
.gmu_cgc_mode = 0x00020202,
+ .bcm = {
+ [0] = { .name = "SH0", .buswidth = 16 },
+ [1] = { .name = "MC0", .buswidth = 4 },
+ [2] = {
+ .name = "ACV",
+ .fixed = true,
+ .perfmode = BIT(3),
+ .perfmode_bw = 16500000,
+ },
+ },
},
.address_space_size = SZ_16G,
.preempt_record_size = 4192 * SZ_1K,
@@ -1424,7 +1435,8 @@ static const struct adreno_info a7xx_gpus[] = {
.inactive_period = DRM_MSM_INACTIVE_PERIOD,
.features = ADRENO_FEAT_HAS_CACHED_COHERENT |
ADRENO_FEAT_HAS_HW_APRIV |
- ADRENO_FEAT_PREEMPTION,
+ ADRENO_FEAT_PREEMPTION |
+ ADRENO_FEAT_GMU_BW_VOTE,
.init = a6xx_gpu_init,
.zapfw = "gen70900_zap.mbn",
.a6xx = &(const struct a6xx_info) {
@@ -1432,6 +1444,16 @@ static const struct adreno_info a7xx_gpus[] = {
.pwrup_reglist = &a7xx_pwrup_reglist,
.gmu_chipid = 0x7090100,
.gmu_cgc_mode = 0x00020202,
+ .bcm = {
+ [0] = { .name = "SH0", .buswidth = 16 },
+ [1] = { .name = "MC0", .buswidth = 4 },
+ [2] = {
+ .name = "ACV",
+ .fixed = true,
+ .perfmode = BIT(2),
+ .perfmode_bw = 10687500,
+ },
+ },
},
.address_space_size = SZ_16G,
.preempt_record_size = 3572 * SZ_1K,
Now all the DDR bandwidth voting via the GPU Management Unit (GMU) is in place, declare the Bus Control Modules (BCMs) and the corresponding parameters in the GPU info struct and add the GMU_BW_VOTE feature bit to enable it. Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> --- drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-)