| Message ID | 20220119205012.v2.1.Ibac66e1e0e565313bc28f192e6c94cb508f205eb@changeid (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2,1/4] drm/msm/adreno: Add support for Adreno 8c Gen 3 | expand |
On Wed 19 Jan 09:21 CST 2022, Akhil P Oommen wrote: > Add support for "Adreno 8c Gen 3" gpu along with the necessary speedbin > support. > > Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com> > --- > > Changes in v2: > - Fix a bug in adreno_cmp_rev() > > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 21 ++++++++++++++---- > drivers/gpu/drm/msm/adreno/adreno_device.c | 34 +++++++++++++++++++++++++++--- > drivers/gpu/drm/msm/adreno/adreno_gpu.h | 10 +++++++-- > 3 files changed, 56 insertions(+), 9 deletions(-) > > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > index 51b8377..9268ce3 100644 > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c > @@ -10,7 +10,6 @@ > > #include <linux/bitfield.h> > #include <linux/devfreq.h> > -#include <linux/nvmem-consumer.h> > #include <linux/soc/qcom/llcc-qcom.h> > > #define GPU_PAS_ID 13 > @@ -1734,6 +1733,18 @@ static u32 a618_get_speed_bin(u32 fuse) > return UINT_MAX; > } > > +static u32 adreno_7c3_get_speed_bin(u32 fuse) > +{ > + if (fuse == 0) > + return 0; > + else if (fuse == 117) > + return 0; > + else if (fuse == 190) Depending on your answer below this isn't an adreno_7c3 speed bin. I think you should name this function adreno_635_get_speed_bin(). > + return 1; > + > + return UINT_MAX; > +} > + > static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse) > { > u32 val = UINT_MAX; > @@ -1741,6 +1752,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse) > if (adreno_cmp_rev(ADRENO_REV(6, 1, 8, ANY_ID), rev)) > val = a618_get_speed_bin(fuse); > > + if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev)) > + val = adreno_7c3_get_speed_bin(fuse); > + > if (val == UINT_MAX) { > DRM_DEV_ERROR(dev, > "missing support for speed-bin: %u. Some OPPs may not be supported by hardware", > @@ -1753,11 +1767,10 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse) > > static int a6xx_set_supported_hw(struct device *dev, struct adreno_rev rev) > { > - u32 supp_hw = UINT_MAX; > - u32 speedbin; > + u32 speedbin, supp_hw = UINT_MAX; > int ret; > > - ret = nvmem_cell_read_variable_le_u32(dev, "speed_bin", &speedbin); > + ret = adreno_read_speedbin(dev, &speedbin); > /* > * -ENOENT means that the platform doesn't support speedbin which is > * fine > diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c > index 9300583..946f505 100644 > --- a/drivers/gpu/drm/msm/adreno/adreno_device.c > +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c > @@ -6,6 +6,7 @@ > * Copyright (c) 2014,2017 The Linux Foundation. All rights reserved. > */ > > +#include <linux/nvmem-consumer.h> > #include "adreno_gpu.h" > > bool hang_debug = false; > @@ -317,6 +318,17 @@ static const struct adreno_info gpulist[] = { > .zapfw = "a660_zap.mdt", > .hwcg = a660_hwcg, > }, { > + .rev = ADRENO_REV_SKU(6, 3, 5, ANY_ID, 190), So Adreno 7c Gen 3 revision 190 is actually a 8c Gen 3? Why can't we just keep the marketing guys out the kernel and name things based on what they really are!? Regards, Bjorn > + .name = "Adreno 8c Gen 3", > + .fw = { > + [ADRENO_FW_SQE] = "a660_sqe.fw", > + [ADRENO_FW_GMU] = "a660_gmu.bin", > + }, > + .gmem = SZ_512K, > + .inactive_period = DRM_MSM_INACTIVE_PERIOD, > + .init = a6xx_gpu_init, > + .hwcg = a660_hwcg, > + }, { > .rev = ADRENO_REV(6, 3, 5, ANY_ID), > .name = "Adreno 7c Gen 3", > .fw = { > @@ -365,13 +377,19 @@ static inline bool _rev_match(uint8_t entry, uint8_t id) > return (entry == ANY_ID) || (entry == id); > } > > +static inline bool _rev_match_sku(uint16_t entry, uint16_t id) > +{ > + return (entry == ANY_SKU) || (entry == id); > +} > + > bool adreno_cmp_rev(struct adreno_rev rev1, struct adreno_rev rev2) > { > > return _rev_match(rev1.core, rev2.core) && > _rev_match(rev1.major, rev2.major) && > _rev_match(rev1.minor, rev2.minor) && > - _rev_match(rev1.patchid, rev2.patchid); > + _rev_match(rev1.patchid, rev2.patchid) && > + _rev_match_sku(rev1.sku, rev2.sku); > } > > const struct adreno_info *adreno_info(struct adreno_rev rev) > @@ -445,12 +463,17 @@ struct msm_gpu *adreno_load_gpu(struct drm_device *dev) > return gpu; > } > > +int adreno_read_speedbin(struct device *dev, u32 *speedbin) > +{ > + return nvmem_cell_read_variable_le_u32(dev, "speed_bin", speedbin); > +} > + > static int find_chipid(struct device *dev, struct adreno_rev *rev) > { > struct device_node *node = dev->of_node; > const char *compat; > int ret; > - u32 chipid; > + u32 chipid, speedbin; > > /* first search the compat strings for qcom,adreno-XYZ.W: */ > ret = of_property_read_string_index(node, "compatible", 0, &compat); > @@ -466,7 +489,7 @@ static int find_chipid(struct device *dev, struct adreno_rev *rev) > rev->minor = r; > rev->patchid = patch; > > - return 0; > + goto done; > } > } > > @@ -486,6 +509,11 @@ static int find_chipid(struct device *dev, struct adreno_rev *rev) > dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n", > rev->core, rev->major, rev->minor, rev->patchid); > > +done: > + if (adreno_read_speedbin(dev, &speedbin)) > + speedbin = ANY_SKU; > + > + rev->sku = (uint16_t) (0xffff & speedbin); > return 0; > } > > diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h > index cffabe7..52bd93a 100644 > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h > @@ -40,12 +40,16 @@ struct adreno_rev { > uint8_t major; > uint8_t minor; > uint8_t patchid; > + uint16_t sku; > }; > > -#define ANY_ID 0xff > +#define ANY_ID 0xff > +#define ANY_SKU 0xffff > > #define ADRENO_REV(core, major, minor, patchid) \ > - ((struct adreno_rev){ core, major, minor, patchid }) > + ((struct adreno_rev){ core, major, minor, patchid, ANY_SKU }) > +#define ADRENO_REV_SKU(core, major, minor, patchid, sku) \ > + ((struct adreno_rev){ core, major, minor, patchid, sku }) > > struct adreno_gpu_funcs { > struct msm_gpu_funcs base; > @@ -324,6 +328,8 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu, > > void adreno_set_llc_attributes(struct iommu_domain *iommu); > > +int adreno_read_speedbin(struct device *dev, u32 *speedbin); > + > /* > * For a5xx and a6xx targets load the zap shader that is used to pull the GPU > * out of secure mode > -- > 2.7.4 >
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 51b8377..9268ce3 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -10,7 +10,6 @@ #include <linux/bitfield.h> #include <linux/devfreq.h> -#include <linux/nvmem-consumer.h> #include <linux/soc/qcom/llcc-qcom.h> #define GPU_PAS_ID 13 @@ -1734,6 +1733,18 @@ static u32 a618_get_speed_bin(u32 fuse) return UINT_MAX; } +static u32 adreno_7c3_get_speed_bin(u32 fuse) +{ + if (fuse == 0) + return 0; + else if (fuse == 117) + return 0; + else if (fuse == 190) + return 1; + + return UINT_MAX; +} + static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse) { u32 val = UINT_MAX; @@ -1741,6 +1752,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse) if (adreno_cmp_rev(ADRENO_REV(6, 1, 8, ANY_ID), rev)) val = a618_get_speed_bin(fuse); + if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev)) + val = adreno_7c3_get_speed_bin(fuse); + if (val == UINT_MAX) { DRM_DEV_ERROR(dev, "missing support for speed-bin: %u. Some OPPs may not be supported by hardware", @@ -1753,11 +1767,10 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse) static int a6xx_set_supported_hw(struct device *dev, struct adreno_rev rev) { - u32 supp_hw = UINT_MAX; - u32 speedbin; + u32 speedbin, supp_hw = UINT_MAX; int ret; - ret = nvmem_cell_read_variable_le_u32(dev, "speed_bin", &speedbin); + ret = adreno_read_speedbin(dev, &speedbin); /* * -ENOENT means that the platform doesn't support speedbin which is * fine diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 9300583..946f505 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -6,6 +6,7 @@ * Copyright (c) 2014,2017 The Linux Foundation. All rights reserved. */ +#include <linux/nvmem-consumer.h> #include "adreno_gpu.h" bool hang_debug = false; @@ -317,6 +318,17 @@ static const struct adreno_info gpulist[] = { .zapfw = "a660_zap.mdt", .hwcg = a660_hwcg, }, { + .rev = ADRENO_REV_SKU(6, 3, 5, ANY_ID, 190), + .name = "Adreno 8c Gen 3", + .fw = { + [ADRENO_FW_SQE] = "a660_sqe.fw", + [ADRENO_FW_GMU] = "a660_gmu.bin", + }, + .gmem = SZ_512K, + .inactive_period = DRM_MSM_INACTIVE_PERIOD, + .init = a6xx_gpu_init, + .hwcg = a660_hwcg, + }, { .rev = ADRENO_REV(6, 3, 5, ANY_ID), .name = "Adreno 7c Gen 3", .fw = { @@ -365,13 +377,19 @@ static inline bool _rev_match(uint8_t entry, uint8_t id) return (entry == ANY_ID) || (entry == id); } +static inline bool _rev_match_sku(uint16_t entry, uint16_t id) +{ + return (entry == ANY_SKU) || (entry == id); +} + bool adreno_cmp_rev(struct adreno_rev rev1, struct adreno_rev rev2) { return _rev_match(rev1.core, rev2.core) && _rev_match(rev1.major, rev2.major) && _rev_match(rev1.minor, rev2.minor) && - _rev_match(rev1.patchid, rev2.patchid); + _rev_match(rev1.patchid, rev2.patchid) && + _rev_match_sku(rev1.sku, rev2.sku); } const struct adreno_info *adreno_info(struct adreno_rev rev) @@ -445,12 +463,17 @@ struct msm_gpu *adreno_load_gpu(struct drm_device *dev) return gpu; } +int adreno_read_speedbin(struct device *dev, u32 *speedbin) +{ + return nvmem_cell_read_variable_le_u32(dev, "speed_bin", speedbin); +} + static int find_chipid(struct device *dev, struct adreno_rev *rev) { struct device_node *node = dev->of_node; const char *compat; int ret; - u32 chipid; + u32 chipid, speedbin; /* first search the compat strings for qcom,adreno-XYZ.W: */ ret = of_property_read_string_index(node, "compatible", 0, &compat); @@ -466,7 +489,7 @@ static int find_chipid(struct device *dev, struct adreno_rev *rev) rev->minor = r; rev->patchid = patch; - return 0; + goto done; } } @@ -486,6 +509,11 @@ static int find_chipid(struct device *dev, struct adreno_rev *rev) dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n", rev->core, rev->major, rev->minor, rev->patchid); +done: + if (adreno_read_speedbin(dev, &speedbin)) + speedbin = ANY_SKU; + + rev->sku = (uint16_t) (0xffff & speedbin); return 0; } diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index cffabe7..52bd93a 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -40,12 +40,16 @@ struct adreno_rev { uint8_t major; uint8_t minor; uint8_t patchid; + uint16_t sku; }; -#define ANY_ID 0xff +#define ANY_ID 0xff +#define ANY_SKU 0xffff #define ADRENO_REV(core, major, minor, patchid) \ - ((struct adreno_rev){ core, major, minor, patchid }) + ((struct adreno_rev){ core, major, minor, patchid, ANY_SKU }) +#define ADRENO_REV_SKU(core, major, minor, patchid, sku) \ + ((struct adreno_rev){ core, major, minor, patchid, sku }) struct adreno_gpu_funcs { struct msm_gpu_funcs base; @@ -324,6 +328,8 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu, void adreno_set_llc_attributes(struct iommu_domain *iommu); +int adreno_read_speedbin(struct device *dev, u32 *speedbin); + /* * For a5xx and a6xx targets load the zap shader that is used to pull the GPU * out of secure mode
Add support for "Adreno 8c Gen 3" gpu along with the necessary speedbin support. Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com> --- Changes in v2: - Fix a bug in adreno_cmp_rev() drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 21 ++++++++++++++---- drivers/gpu/drm/msm/adreno/adreno_device.c | 34 +++++++++++++++++++++++++++--- drivers/gpu/drm/msm/adreno/adreno_gpu.h | 10 +++++++-- 3 files changed, 56 insertions(+), 9 deletions(-)