diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_mdss.c')
-rw-r--r-- | drivers/gpu/drm/msm/msm_mdss.c | 106 |
1 files changed, 70 insertions, 36 deletions
diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c index 6865db1e3ce8..455b2e3a0cdd 100644 --- a/drivers/gpu/drm/msm/msm_mdss.c +++ b/drivers/gpu/drm/msm/msm_mdss.c @@ -28,6 +28,8 @@ #define MIN_IB_BW 400000000UL /* Min ib vote 400MB */ +#define DEFAULT_REG_BW 153600 /* Used in mdss fbdev driver */ + struct msm_mdss { struct device *dev; @@ -40,8 +42,9 @@ struct msm_mdss { struct irq_domain *domain; } irq_controller; const struct msm_mdss_data *mdss_data; - struct icc_path *path[2]; - u32 num_paths; + struct icc_path *mdp_path[2]; + u32 num_mdp_paths; + struct icc_path *reg_bus_path; }; static int msm_mdss_parse_data_bus_icc_path(struct device *dev, @@ -49,38 +52,26 @@ static int msm_mdss_parse_data_bus_icc_path(struct device *dev, { struct icc_path *path0; struct icc_path *path1; + struct icc_path *reg_bus_path; - path0 = of_icc_get(dev, "mdp0-mem"); + path0 = devm_of_icc_get(dev, "mdp0-mem"); if (IS_ERR_OR_NULL(path0)) return PTR_ERR_OR_ZERO(path0); - msm_mdss->path[0] = path0; - msm_mdss->num_paths = 1; + msm_mdss->mdp_path[0] = path0; + msm_mdss->num_mdp_paths = 1; - path1 = of_icc_get(dev, "mdp1-mem"); + path1 = devm_of_icc_get(dev, "mdp1-mem"); if (!IS_ERR_OR_NULL(path1)) { - msm_mdss->path[1] = path1; - msm_mdss->num_paths++; + msm_mdss->mdp_path[1] = path1; + msm_mdss->num_mdp_paths++; } - return 0; -} - -static void msm_mdss_put_icc_path(void *data) -{ - struct msm_mdss *msm_mdss = data; - int i; - - for (i = 0; i < msm_mdss->num_paths; i++) - icc_put(msm_mdss->path[i]); -} - -static void msm_mdss_icc_request_bw(struct msm_mdss *msm_mdss, unsigned long bw) -{ - int i; + reg_bus_path = of_icc_get(dev, "cpu-cfg"); + if (!IS_ERR_OR_NULL(reg_bus_path)) + msm_mdss->reg_bus_path = reg_bus_path; - for (i = 0; i < msm_mdss->num_paths; i++) - icc_set_bw(msm_mdss->path[i], 0, Bps_to_icc(bw)); + return 0; } static void msm_mdss_irq(struct irq_desc *desc) @@ -236,14 +227,22 @@ const struct msm_mdss_data *msm_mdss_get_mdss_data(struct device *dev) static int msm_mdss_enable(struct msm_mdss *msm_mdss) { - int ret; + int ret, i; /* * Several components have AXI clocks that can only be turned on if * the interconnect is enabled (non-zero bandwidth). Let's make sure * that the interconnects are at least at a minimum amount. */ - msm_mdss_icc_request_bw(msm_mdss, MIN_IB_BW); + for (i = 0; i < msm_mdss->num_mdp_paths; i++) + icc_set_bw(msm_mdss->mdp_path[i], 0, Bps_to_icc(MIN_IB_BW)); + + if (msm_mdss->mdss_data && msm_mdss->mdss_data->reg_bus_bw) + icc_set_bw(msm_mdss->reg_bus_path, 0, + msm_mdss->mdss_data->reg_bus_bw); + else + icc_set_bw(msm_mdss->reg_bus_path, 0, + DEFAULT_REG_BW); ret = clk_bulk_prepare_enable(msm_mdss->num_clocks, msm_mdss->clocks); if (ret) { @@ -295,8 +294,15 @@ static int msm_mdss_enable(struct msm_mdss *msm_mdss) static int msm_mdss_disable(struct msm_mdss *msm_mdss) { + int i; + clk_bulk_disable_unprepare(msm_mdss->num_clocks, msm_mdss->clocks); - msm_mdss_icc_request_bw(msm_mdss, 0); + + for (i = 0; i < msm_mdss->num_mdp_paths; i++) + icc_set_bw(msm_mdss->mdp_path[i], 0, 0); + + if (msm_mdss->reg_bus_path) + icc_set_bw(msm_mdss->reg_bus_path, 0, 0); return 0; } @@ -384,6 +390,8 @@ static struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5 if (!msm_mdss) return ERR_PTR(-ENOMEM); + msm_mdss->mdss_data = of_device_get_match_data(&pdev->dev); + msm_mdss->mmio = devm_platform_ioremap_resource_byname(pdev, is_mdp5 ? "mdss_phys" : "mdss"); if (IS_ERR(msm_mdss->mmio)) return ERR_CAST(msm_mdss->mmio); @@ -393,9 +401,6 @@ static struct msm_mdss *msm_mdss_init(struct platform_device *pdev, bool is_mdp5 ret = msm_mdss_parse_data_bus_icc_path(&pdev->dev, msm_mdss); if (ret) return ERR_PTR(ret); - ret = devm_add_action_or_reset(&pdev->dev, msm_mdss_put_icc_path, msm_mdss); - if (ret) - return ERR_PTR(ret); if (is_mdp5) ret = mdp5_mdss_parse_clock(pdev, &msm_mdss->clocks); @@ -477,8 +482,6 @@ static int mdss_probe(struct platform_device *pdev) if (IS_ERR(mdss)) return PTR_ERR(mdss); - mdss->mdss_data = of_device_get_match_data(&pdev->dev); - platform_set_drvdata(pdev, mdss); /* @@ -510,11 +513,13 @@ static const struct msm_mdss_data msm8998_data = { .ubwc_enc_version = UBWC_1_0, .ubwc_dec_version = UBWC_1_0, .highest_bank_bit = 2, + .reg_bus_bw = 76800, }; static const struct msm_mdss_data qcm2290_data = { /* no UBWC */ .highest_bank_bit = 0x2, + .reg_bus_bw = 76800, }; static const struct msm_mdss_data sc7180_data = { @@ -522,6 +527,7 @@ static const struct msm_mdss_data sc7180_data = { .ubwc_dec_version = UBWC_2_0, .ubwc_static = 0x1e, .highest_bank_bit = 0x3, + .reg_bus_bw = 76800, }; static const struct msm_mdss_data sc7280_data = { @@ -531,6 +537,7 @@ static const struct msm_mdss_data sc7280_data = { .ubwc_static = 1, .highest_bank_bit = 1, .macrotile_mode = 1, + .reg_bus_bw = 74000, }; static const struct msm_mdss_data sc8180x_data = { @@ -538,6 +545,7 @@ static const struct msm_mdss_data sc8180x_data = { .ubwc_dec_version = UBWC_3_0, .highest_bank_bit = 3, .macrotile_mode = 1, + .reg_bus_bw = 76800, }; static const struct msm_mdss_data sc8280xp_data = { @@ -545,14 +553,22 @@ static const struct msm_mdss_data sc8280xp_data = { .ubwc_dec_version = UBWC_4_0, .ubwc_swizzle = 6, .ubwc_static = 1, - .highest_bank_bit = 2, + .highest_bank_bit = 3, .macrotile_mode = 1, + .reg_bus_bw = 76800, +}; + +static const struct msm_mdss_data sdm670_data = { + .ubwc_enc_version = UBWC_2_0, + .ubwc_dec_version = UBWC_2_0, + .highest_bank_bit = 1, }; static const struct msm_mdss_data sdm845_data = { .ubwc_enc_version = UBWC_2_0, .ubwc_dec_version = UBWC_2_0, .highest_bank_bit = 2, + .reg_bus_bw = 76800, }; static const struct msm_mdss_data sm6350_data = { @@ -561,12 +577,14 @@ static const struct msm_mdss_data sm6350_data = { .ubwc_swizzle = 6, .ubwc_static = 0x1e, .highest_bank_bit = 1, + .reg_bus_bw = 76800, }; static const struct msm_mdss_data sm8150_data = { .ubwc_enc_version = UBWC_3_0, .ubwc_dec_version = UBWC_3_0, .highest_bank_bit = 2, + .reg_bus_bw = 76800, }; static const struct msm_mdss_data sm6115_data = { @@ -575,6 +593,7 @@ static const struct msm_mdss_data sm6115_data = { .ubwc_swizzle = 7, .ubwc_static = 0x11f, .highest_bank_bit = 0x1, + .reg_bus_bw = 76800, }; static const struct msm_mdss_data sm6125_data = { @@ -592,6 +611,18 @@ static const struct msm_mdss_data sm8250_data = { /* TODO: highest_bank_bit = 2 for LP_DDR4 */ .highest_bank_bit = 3, .macrotile_mode = 1, + .reg_bus_bw = 76800, +}; + +static const struct msm_mdss_data sm8350_data = { + .ubwc_enc_version = UBWC_4_0, + .ubwc_dec_version = UBWC_4_0, + .ubwc_swizzle = 6, + .ubwc_static = 1, + /* TODO: highest_bank_bit = 2 for LP_DDR4 */ + .highest_bank_bit = 3, + .macrotile_mode = 1, + .reg_bus_bw = 74000, }; static const struct msm_mdss_data sm8550_data = { @@ -602,11 +633,13 @@ static const struct msm_mdss_data sm8550_data = { /* TODO: highest_bank_bit = 2 for LP_DDR4 */ .highest_bank_bit = 3, .macrotile_mode = 1, + .reg_bus_bw = 57000, }; static const struct of_device_id mdss_dt_match[] = { { .compatible = "qcom,mdss" }, { .compatible = "qcom,msm8998-mdss", .data = &msm8998_data }, { .compatible = "qcom,qcm2290-mdss", .data = &qcm2290_data }, + { .compatible = "qcom,sdm670-mdss", .data = &sdm670_data }, { .compatible = "qcom,sdm845-mdss", .data = &sdm845_data }, { .compatible = "qcom,sc7180-mdss", .data = &sc7180_data }, { .compatible = "qcom,sc7280-mdss", .data = &sc7280_data }, @@ -618,9 +651,10 @@ static const struct of_device_id mdss_dt_match[] = { { .compatible = "qcom,sm6375-mdss", .data = &sm6350_data }, { .compatible = "qcom,sm8150-mdss", .data = &sm8150_data }, { .compatible = "qcom,sm8250-mdss", .data = &sm8250_data }, - { .compatible = "qcom,sm8350-mdss", .data = &sm8250_data }, - { .compatible = "qcom,sm8450-mdss", .data = &sm8250_data }, + { .compatible = "qcom,sm8350-mdss", .data = &sm8350_data }, + { .compatible = "qcom,sm8450-mdss", .data = &sm8350_data }, { .compatible = "qcom,sm8550-mdss", .data = &sm8550_data }, + { .compatible = "qcom,sm8650-mdss", .data = &sm8550_data}, {} }; MODULE_DEVICE_TABLE(of, mdss_dt_match); |