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drm/msm/a6xx: enable GMU log 

This is required for a650 to work.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Jonathan Marek 2020-04-23 17:09:20 -04:00 committed by Rob Clark
parent 02ef80c54e
commit ad4968d51d
3 changed files with 20 additions and 0 deletions
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15
drivers/gpu/drm/msm/adreno/a6xx_gmu.c
View File

@ -209,6 +209,12 @@ static int a6xx_gmu_start(struct a6xx_gmu *gmu)
u32 val;
gmu_write(gmu, REG_A6XX_GMU_CM3_SYSRESET, 1);
/* Set the log wptr index
* note: downstream saves the value in poweroff and restores it here
*/
gmu_write(gmu, REG_A6XX_GPU_GMU_CX_GMU_PWR_COL_CP_RESP, 0);
gmu_write(gmu, REG_A6XX_GMU_CM3_SYSRESET, 0);
ret = gmu_poll_timeout(gmu, REG_A6XX_GMU_CM3_FW_INIT_RESULT, val,
@ -752,6 +758,9 @@ static int a6xx_gmu_fw_start(struct a6xx_gmu *gmu, unsigned int state)
gmu_write(gmu, REG_A6XX_GMU_HFI_SFR_ADDR, chipid);
gmu_write(gmu, REG_A6XX_GPU_GMU_CX_GMU_PWR_COL_CP_MSG,
gmu->log.iova | (gmu->log.size / SZ_4K - 1));
/* Set up the lowest idle level on the GMU */
a6xx_gmu_power_config(gmu);
@ -1057,6 +1066,7 @@ static void a6xx_gmu_memory_free(struct a6xx_gmu *gmu)
msm_gem_kernel_put(gmu->icache.obj, gmu->aspace, false);
msm_gem_kernel_put(gmu->dcache.obj, gmu->aspace, false);
msm_gem_kernel_put(gmu->dummy.obj, gmu->aspace, false);
msm_gem_kernel_put(gmu->log.obj, gmu->aspace, false);
gmu->aspace->mmu->funcs->detach(gmu->aspace->mmu);
msm_gem_address_space_put(gmu->aspace);
@ -1461,6 +1471,11 @@ int a6xx_gmu_init(struct a6xx_gpu *a6xx_gpu, struct device_node *node)
if (ret)
goto err_memory;
/* Allocate memory for the GMU log region */
ret = a6xx_gmu_memory_alloc(gmu, &gmu->log, SZ_4K, 0);
if (ret)
goto err_memory;
/* Map the GMU registers */
gmu->mmio = a6xx_gmu_get_mmio(pdev, "gmu");
if (IS_ERR(gmu->mmio)) {

1
drivers/gpu/drm/msm/adreno/a6xx_gmu.h
View File

@ -61,6 +61,7 @@ struct a6xx_gmu {
struct a6xx_gmu_bo icache;
struct a6xx_gmu_bo dcache;
struct a6xx_gmu_bo dummy;
struct a6xx_gmu_bo log;
int nr_clocks;
struct clk_bulk_data *clocks;

4
drivers/gpu/drm/msm/adreno/a6xx_gmu.xml.h
View File

@ -205,6 +205,10 @@ static inline uint32_t A6XX_GMU_GPU_NAP_CTRL_SID(uint32_t val)
#define REG_A6XX_GPU_GMU_CX_GMU_CX_FAL_INTF 0x000050f0
#define REG_A6XX_GPU_GMU_CX_GMU_PWR_COL_CP_MSG 0x00005100
#define REG_A6XX_GPU_GMU_CX_GMU_PWR_COL_CP_RESP 0x00005101
#define REG_A6XX_GMU_BOOT_KMD_LM_HANDSHAKE 0x000051f0
#define REG_A6XX_GMU_LLM_GLM_SLEEP_CTRL 0x00005157