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drm/msm/mdss: Add support for SM8750

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Add support for the Qualcomm SM8750 platform.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/659625/
Link: https://lore.kernel.org/r/20250618-b4-sm8750-display-v7-13-a591c609743d@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Krzysztof Kozlowski 2025-06-18 16:32:42 +02:00 committed by Dmitry Baryshkov
parent 68baf83364
commit e450952b92
2 changed files with 34 additions and 0 deletions
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33
drivers/gpu/drm/msm/msm_mdss.c
View File

@ -222,6 +222,24 @@ static void msm_mdss_setup_ubwc_dec_40(struct msm_mdss *msm_mdss)
}
}
static void msm_mdss_setup_ubwc_dec_50(struct msm_mdss *msm_mdss)
{
const struct msm_mdss_data *data = msm_mdss->mdss_data;
u32 value = MDSS_UBWC_STATIC_UBWC_SWIZZLE(data->ubwc_swizzle) |
MDSS_UBWC_STATIC_HIGHEST_BANK_BIT(data->highest_bank_bit);
if (data->ubwc_bank_spread)
value |= MDSS_UBWC_STATIC_UBWC_BANK_SPREAD;
if (data->macrotile_mode)
value |= MDSS_UBWC_STATIC_MACROTILE_MODE;
writel_relaxed(value, msm_mdss->mmio + REG_MDSS_UBWC_STATIC);
writel_relaxed(4, msm_mdss->mmio + REG_MDSS_UBWC_CTRL_2);
writel_relaxed(1, msm_mdss->mmio + REG_MDSS_UBWC_PREDICTION_MODE);
}
#define MDSS_HW_MAJ_MIN \
(MDSS_HW_VERSION_MAJOR__MASK | MDSS_HW_VERSION_MINOR__MASK)
@ -339,6 +357,9 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss)
case UBWC_4_3:
msm_mdss_setup_ubwc_dec_40(msm_mdss);
break;
case UBWC_5_0:
msm_mdss_setup_ubwc_dec_50(msm_mdss);
break;
default:
dev_err(msm_mdss->dev, "Unsupported UBWC decoder version %x\n",
msm_mdss->mdss_data->ubwc_dec_version);
@ -732,6 +753,17 @@ static const struct msm_mdss_data sm8550_data = {
.reg_bus_bw = 57000,
};
static const struct msm_mdss_data sm8750_data = {
.ubwc_enc_version = UBWC_5_0,
.ubwc_dec_version = UBWC_5_0,
.ubwc_swizzle = 6,
.ubwc_bank_spread = true,
/* TODO: highest_bank_bit = 2 for LP_DDR4 */
.highest_bank_bit = 3,
.macrotile_mode = true,
.reg_bus_bw = 57000,
};
static const struct msm_mdss_data x1e80100_data = {
.ubwc_enc_version = UBWC_4_0,
.ubwc_dec_version = UBWC_4_3,
@ -767,6 +799,7 @@ static const struct of_device_id mdss_dt_match[] = {
{ .compatible = "qcom,sm8450-mdss", .data = &sm8350_data },
{ .compatible = "qcom,sm8550-mdss", .data = &sm8550_data },
{ .compatible = "qcom,sm8650-mdss", .data = &sm8550_data},
{ .compatible = "qcom,sm8750-mdss", .data = &sm8750_data},
{ .compatible = "qcom,x1e80100-mdss", .data = &x1e80100_data},
{}
};

1
drivers/gpu/drm/msm/msm_mdss.h
View File

@ -22,6 +22,7 @@ struct msm_mdss_data {
#define UBWC_3_0 0x30000000
#define UBWC_4_0 0x40000000
#define UBWC_4_3 0x40030000
#define UBWC_5_0 0x50000000
const struct msm_mdss_data *msm_mdss_get_mdss_data(struct device *dev);