Commit b1c53a2a authored by Jonathan Marek's avatar Jonathan Marek Committed by Rob Clark
Browse files

drm/msm/a6xx: hwcg tables in gpulist



This will allow supporting different hwcg tables for a6xx.

Signed-off-by: default avatarJonathan Marek <jonathan@marek.ca>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent af776a3e
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+11 −14
Original line number Diff line number Diff line
@@ -154,10 +154,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
	a6xx_flush(gpu, ring);
}

static const struct {
	u32 offset;
	u32 value;
} a6xx_hwcg[] = {
const struct adreno_reglist a630_hwcg[] = {
	{REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x22222222},
	{REG_A6XX_RBBM_CLOCK_CNTL_SP1, 0x22222222},
	{REG_A6XX_RBBM_CLOCK_CNTL_SP2, 0x22222222},
@@ -262,7 +259,8 @@ static const struct {
	{REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
	{REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
	{REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
	{REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555}
	{REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
	{},
};

static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
@@ -270,9 +268,13 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
	struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
	struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
	struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
	const struct adreno_reglist *reg;
	unsigned int i;
	u32 val;

	if (!adreno_gpu->info->hwcg)
		return;

	val = gpu_read(gpu, REG_A6XX_RBBM_CLOCK_CNTL);

	/* Don't re-program the registers if they are already correct */
@@ -282,9 +284,8 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
	/* Disable SP clock before programming HWCG registers */
	gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 1, 0);

	for (i = 0; i < ARRAY_SIZE(a6xx_hwcg); i++)
		gpu_write(gpu, a6xx_hwcg[i].offset,
			state ? a6xx_hwcg[i].value : 0);
	for (i = 0; (reg = &adreno_gpu->info->hwcg[i], reg->offset); i++)
		gpu_write(gpu, reg->offset, state ? reg->value : 0);

	/* Enable SP clock */
	gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 0, 1);
@@ -440,11 +441,7 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
	gpu_write(gpu, REG_A6XX_TPL1_ADDR_MODE_CNTL, 0x1);
	gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_ADDR_MODE_CNTL, 0x1);

	/*
	 * enable hardware clockgating
	 * For now enable clock gating only for a630
	 */
	if (adreno_is_a630(adreno_gpu))
	/* enable hardware clockgating */
	a6xx_set_hwcg(gpu, true);

	/* VBIF/GBIF start*/
+1 −0
Original line number Diff line number Diff line
@@ -200,6 +200,7 @@ static const struct adreno_info gpulist[] = {
		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
		.init = a6xx_gpu_init,
		.zapfw = "a630_zap.mdt",
		.hwcg = a630_hwcg,
	}, {
		.rev = ADRENO_REV(6, 4, 0, ANY_ID),
		.revn = 640,
+8 −0
Original line number Diff line number Diff line
@@ -68,6 +68,13 @@ struct adreno_gpu_funcs {
	int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value);
};

struct adreno_reglist {
	u32 offset;
	u32 value;
};

extern const struct adreno_reglist a630_hwcg[];

struct adreno_info {
	struct adreno_rev rev;
	uint32_t revn;
@@ -78,6 +85,7 @@ struct adreno_info {
	struct msm_gpu *(*init)(struct drm_device *dev);
	const char *zapfw;
	u32 inactive_period;
	const struct adreno_reglist *hwcg;
};

const struct adreno_info *adreno_info(struct adreno_rev rev);