diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto/generic-drivers/mdss-icc/0003_drm_msm_mdss_inline_msm_mdss_icc_request_bw.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-yocto/generic-drivers/mdss-icc/0003_drm_msm_mdss_inline_msm_mdss_icc_request_bw.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-yocto/generic-drivers/mdss-icc/0003_drm_msm_mdss_inline_msm_mdss_icc_request_bw.patch b/recipes-kernel/linux/linux-yocto/generic-drivers/mdss-icc/0003_drm_msm_mdss_inline_msm_mdss_icc_request_bw.patch new file mode 100644 index 0000000..5e430b1 --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/generic-drivers/mdss-icc/0003_drm_msm_mdss_inline_msm_mdss_icc_request_bw.patch @@ -0,0 +1,69 @@ +From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> +Subject: drm/msm/mdss: inline msm_mdss_icc_request_bw() +Date: Sun, 03 Dec 2023 01:42:46 +0300 + +There are just two places where we set the bandwidth: in the resume and +in the suspend paths. Drop the wrapping function +msm_mdss_icc_request_bw() and call icc_set_bw() directly. + +Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> +Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> +Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> +Upstream-Status: Backport [https://gitlab.freedesktop.org/lumag/msm/-/commit/7323694e118a] +--- + drivers/gpu/drm/msm/msm_mdss.c | 19 ++++++++----------- + 1 file changed, 8 insertions(+), 11 deletions(-) + +diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c +index e1b208fd072e..eeca281e9d6d 100644 +--- a/drivers/gpu/drm/msm/msm_mdss.c ++++ b/drivers/gpu/drm/msm/msm_mdss.c +@@ -66,14 +66,6 @@ static int msm_mdss_parse_data_bus_icc_path(struct device *dev, + return 0; + } + +-static void msm_mdss_icc_request_bw(struct msm_mdss *msm_mdss, unsigned long bw) +-{ +- int i; +- +- for (i = 0; i < msm_mdss->num_mdp_paths; i++) +- icc_set_bw(msm_mdss->mdp_path[i], 0, Bps_to_icc(bw)); +-} +- + static void msm_mdss_irq(struct irq_desc *desc) + { + struct msm_mdss *msm_mdss = irq_desc_get_handler_data(desc); +@@ -227,14 +219,15 @@ 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)); + + ret = clk_bulk_prepare_enable(msm_mdss->num_clocks, msm_mdss->clocks); + if (ret) { +@@ -286,8 +279,12 @@ 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); + + return 0; + } +-- +2.39.2 |