On Sat, Mar 23, 2024 at 12:56:56AM +0200, Dmitry Baryshkov wrote: > The msm_gpummu.c implementation is used only on A2xx and it is tied to > the A2xx registers. Rename the source file accordingly. >
There are very few functions in this file and a2xx_gpu.c is a relatively small source file too. Shall we just move them to a2xx_gpu.c instead of renaming? -Akhil > Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org> > --- > drivers/gpu/drm/msm/Makefile | 2 +- > drivers/gpu/drm/msm/adreno/a2xx_gpu.c | 4 +- > drivers/gpu/drm/msm/adreno/a2xx_gpu.h | 4 ++ > .../drm/msm/{msm_gpummu.c => adreno/a2xx_gpummu.c} | 45 > ++++++++++++---------- > drivers/gpu/drm/msm/msm_mmu.h | 5 --- > 5 files changed, 31 insertions(+), 29 deletions(-) > > diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile > index b21ae2880c71..26ed4f443149 100644 > --- a/drivers/gpu/drm/msm/Makefile > +++ b/drivers/gpu/drm/msm/Makefile > @@ -8,6 +8,7 @@ msm-y := \ > adreno/adreno_device.o \ > adreno/adreno_gpu.o \ > adreno/a2xx_gpu.o \ > + adreno/a2xx_gpummu.o \ > adreno/a3xx_gpu.o \ > adreno/a4xx_gpu.o \ > adreno/a5xx_gpu.o \ > @@ -113,7 +114,6 @@ msm-y += \ > msm_ringbuffer.o \ > msm_submitqueue.o \ > msm_gpu_tracepoints.o \ > - msm_gpummu.o > > msm-$(CONFIG_DEBUG_FS) += adreno/a5xx_debugfs.o \ > dp/dp_debug.o > diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c > b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c > index 0d8133f3174b..0dc255ddf5ce 100644 > --- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c > +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c > @@ -113,7 +113,7 @@ static int a2xx_hw_init(struct msm_gpu *gpu) > uint32_t *ptr, len; > int i, ret; > > - msm_gpummu_params(gpu->aspace->mmu, &pt_base, &tran_error); > + a2xx_gpummu_params(gpu->aspace->mmu, &pt_base, &tran_error); > > DBG("%s", gpu->name); > > @@ -469,7 +469,7 @@ static struct msm_gpu_state *a2xx_gpu_state_get(struct > msm_gpu *gpu) > static struct msm_gem_address_space * > a2xx_create_address_space(struct msm_gpu *gpu, struct platform_device *pdev) > { > - struct msm_mmu *mmu = msm_gpummu_new(&pdev->dev, gpu); > + struct msm_mmu *mmu = a2xx_gpummu_new(&pdev->dev, gpu); > struct msm_gem_address_space *aspace; > > aspace = msm_gem_address_space_create(mmu, "gpu", SZ_16M, > diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.h > b/drivers/gpu/drm/msm/adreno/a2xx_gpu.h > index 161a075f94af..53702f19990f 100644 > --- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.h > +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.h > @@ -19,4 +19,8 @@ struct a2xx_gpu { > }; > #define to_a2xx_gpu(x) container_of(x, struct a2xx_gpu, base) > > +struct msm_mmu *a2xx_gpummu_new(struct device *dev, struct msm_gpu *gpu); > +void a2xx_gpummu_params(struct msm_mmu *mmu, dma_addr_t *pt_base, > + dma_addr_t *tran_error); > + > #endif /* __A2XX_GPU_H__ */ > diff --git a/drivers/gpu/drm/msm/msm_gpummu.c > b/drivers/gpu/drm/msm/adreno/a2xx_gpummu.c > similarity index 67% > rename from drivers/gpu/drm/msm/msm_gpummu.c > rename to drivers/gpu/drm/msm/adreno/a2xx_gpummu.c > index f7d1945e0c9f..39641551eeb6 100644 > --- a/drivers/gpu/drm/msm/msm_gpummu.c > +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpummu.c > @@ -5,30 +5,33 @@ > > #include "msm_drv.h" > #include "msm_mmu.h" > -#include "adreno/adreno_gpu.h" > -#include "adreno/a2xx.xml.h" > > -struct msm_gpummu { > +#include "adreno_gpu.h" > +#include "a2xx_gpu.h" > + > +#include "a2xx.xml.h" > + > +struct a2xx_gpummu { > struct msm_mmu base; > struct msm_gpu *gpu; > dma_addr_t pt_base; > uint32_t *table; > }; > -#define to_msm_gpummu(x) container_of(x, struct msm_gpummu, base) > +#define to_a2xx_gpummu(x) container_of(x, struct a2xx_gpummu, base) > > #define GPUMMU_VA_START SZ_16M > #define GPUMMU_VA_RANGE (0xfff * SZ_64K) > #define GPUMMU_PAGE_SIZE SZ_4K > #define TABLE_SIZE (sizeof(uint32_t) * GPUMMU_VA_RANGE / GPUMMU_PAGE_SIZE) > > -static void msm_gpummu_detach(struct msm_mmu *mmu) > +static void a2xx_gpummu_detach(struct msm_mmu *mmu) > { > } > > -static int msm_gpummu_map(struct msm_mmu *mmu, uint64_t iova, > +static int a2xx_gpummu_map(struct msm_mmu *mmu, uint64_t iova, > struct sg_table *sgt, size_t len, int prot) > { > - struct msm_gpummu *gpummu = to_msm_gpummu(mmu); > + struct a2xx_gpummu *gpummu = to_a2xx_gpummu(mmu); > unsigned idx = (iova - GPUMMU_VA_START) / GPUMMU_PAGE_SIZE; > struct sg_dma_page_iter dma_iter; > unsigned prot_bits = 0; > @@ -53,9 +56,9 @@ static int msm_gpummu_map(struct msm_mmu *mmu, uint64_t > iova, > return 0; > } > > -static int msm_gpummu_unmap(struct msm_mmu *mmu, uint64_t iova, size_t len) > +static int a2xx_gpummu_unmap(struct msm_mmu *mmu, uint64_t iova, size_t len) > { > - struct msm_gpummu *gpummu = to_msm_gpummu(mmu); > + struct a2xx_gpummu *gpummu = to_a2xx_gpummu(mmu); > unsigned idx = (iova - GPUMMU_VA_START) / GPUMMU_PAGE_SIZE; > unsigned i; > > @@ -68,13 +71,13 @@ static int msm_gpummu_unmap(struct msm_mmu *mmu, uint64_t > iova, size_t len) > return 0; > } > > -static void msm_gpummu_resume_translation(struct msm_mmu *mmu) > +static void a2xx_gpummu_resume_translation(struct msm_mmu *mmu) > { > } > > -static void msm_gpummu_destroy(struct msm_mmu *mmu) > +static void a2xx_gpummu_destroy(struct msm_mmu *mmu) > { > - struct msm_gpummu *gpummu = to_msm_gpummu(mmu); > + struct a2xx_gpummu *gpummu = to_a2xx_gpummu(mmu); > > dma_free_attrs(mmu->dev, TABLE_SIZE, gpummu->table, gpummu->pt_base, > DMA_ATTR_FORCE_CONTIGUOUS); > @@ -83,16 +86,16 @@ static void msm_gpummu_destroy(struct msm_mmu *mmu) > } > > static const struct msm_mmu_funcs funcs = { > - .detach = msm_gpummu_detach, > - .map = msm_gpummu_map, > - .unmap = msm_gpummu_unmap, > - .destroy = msm_gpummu_destroy, > - .resume_translation = msm_gpummu_resume_translation, > + .detach = a2xx_gpummu_detach, > + .map = a2xx_gpummu_map, > + .unmap = a2xx_gpummu_unmap, > + .destroy = a2xx_gpummu_destroy, > + .resume_translation = a2xx_gpummu_resume_translation, > }; > > -struct msm_mmu *msm_gpummu_new(struct device *dev, struct msm_gpu *gpu) > +struct msm_mmu *a2xx_gpummu_new(struct device *dev, struct msm_gpu *gpu) > { > - struct msm_gpummu *gpummu; > + struct a2xx_gpummu *gpummu; > > gpummu = kzalloc(sizeof(*gpummu), GFP_KERNEL); > if (!gpummu) > @@ -111,10 +114,10 @@ struct msm_mmu *msm_gpummu_new(struct device *dev, > struct msm_gpu *gpu) > return &gpummu->base; > } > > -void msm_gpummu_params(struct msm_mmu *mmu, dma_addr_t *pt_base, > +void a2xx_gpummu_params(struct msm_mmu *mmu, dma_addr_t *pt_base, > dma_addr_t *tran_error) > { > - dma_addr_t base = to_msm_gpummu(mmu)->pt_base; > + dma_addr_t base = to_a2xx_gpummu(mmu)->pt_base; > > *pt_base = base; > *tran_error = base + TABLE_SIZE; /* 32-byte aligned */ > diff --git a/drivers/gpu/drm/msm/msm_mmu.h b/drivers/gpu/drm/msm/msm_mmu.h > index eb72d3645c1d..88af4f490881 100644 > --- a/drivers/gpu/drm/msm/msm_mmu.h > +++ b/drivers/gpu/drm/msm/msm_mmu.h > @@ -42,7 +42,6 @@ static inline void msm_mmu_init(struct msm_mmu *mmu, struct > device *dev, > > struct msm_mmu *msm_iommu_new(struct device *dev, unsigned long quirks); > struct msm_mmu *msm_iommu_gpu_new(struct device *dev, struct msm_gpu *gpu, > unsigned long quirks); > -struct msm_mmu *msm_gpummu_new(struct device *dev, struct msm_gpu *gpu); > > static inline void msm_mmu_set_fault_handler(struct msm_mmu *mmu, void *arg, > int (*handler)(void *arg, unsigned long iova, int flags, void > *data)) > @@ -53,10 +52,6 @@ static inline void msm_mmu_set_fault_handler(struct > msm_mmu *mmu, void *arg, > > struct msm_mmu *msm_iommu_pagetable_create(struct msm_mmu *parent); > > -void msm_gpummu_params(struct msm_mmu *mmu, dma_addr_t *pt_base, > - dma_addr_t *tran_error); > - > - > int msm_iommu_pagetable_params(struct msm_mmu *mmu, phys_addr_t *ttbr, > int *asid); > struct iommu_domain_geometry *msm_iommu_get_geometry(struct msm_mmu *mmu); > > -- > 2.39.2 >