diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/805-display-0029-drm-imx-mhdp-Adjustment-core-rate-of-DP-TX-CTRL-for-.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/805-display-0029-drm-imx-mhdp-Adjustment-core-rate-of-DP-TX-CTRL-for-.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/target/linux/layerscape/patches-5.4/805-display-0029-drm-imx-mhdp-Adjustment-core-rate-of-DP-TX-CTRL-for-.patch b/target/linux/layerscape/patches-5.4/805-display-0029-drm-imx-mhdp-Adjustment-core-rate-of-DP-TX-CTRL-for-.patch deleted file mode 100644 index 443351fd52..0000000000 --- a/target/linux/layerscape/patches-5.4/805-display-0029-drm-imx-mhdp-Adjustment-core-rate-of-DP-TX-CTRL-for-.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 4d5ce89b5a6faa347464221e4b674be46b951245 Mon Sep 17 00:00:00 2001 -From: Wen He <wen.he_1@nxp.com> -Date: Wed, 27 Nov 2019 18:24:11 +0800 -Subject: [PATCH] drm: imx: mhdp: Adjustment core rate of DP TX CTRL for - LS1028A - -This Display TX CTRL clock should be ACLK/4, update it to align with -the specification. - -Signed-off-by: Wen He <wen.he_1@nxp.com> -Reviewed-by: Sandor Yu <sandor.yu@nxp.com> ---- - drivers/gpu/drm/bridge/cadence/cdns-dp-core.c | 4 ++++ - drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c | 3 +++ - include/drm/bridge/cdns-mhdp-common.h | 1 + - 3 files changed, 8 insertions(+) - ---- a/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c -+++ b/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c -@@ -435,6 +435,7 @@ static int __cdns_dp_probe(struct platfo - } - - mhdp->is_hpd = true; -+ mhdp->is_ls1028a = false; - - mhdp->irq[IRQ_IN] = platform_get_irq_byname(pdev, "plug_in"); - if (mhdp->irq[IRQ_IN] < 0) { -@@ -450,6 +451,9 @@ static int __cdns_dp_probe(struct platfo - - cdns_dp_parse_dt(mhdp); - -+ if (of_device_is_compatible(dev->of_node, "cdn,ls1028a-dp")) -+ mhdp->is_ls1028a = true; -+ - cdns_mhdp_plat_call(mhdp, power_on); - - cdns_mhdp_plat_call(mhdp, firmware_init); ---- a/drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c -+++ b/drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c -@@ -526,6 +526,9 @@ int cdns_mhdp_firmware_init_imx8qm(struc - - /* configure HDMI/DP core clock */ - rate = clk_get_rate(imx_mhdp->clks.clk_core); -+ if (mhdp->is_ls1028a) -+ rate = rate / 4; -+ - cdns_mhdp_set_fw_clk(&imx_mhdp->mhdp, rate); - - /* un-reset ucpu */ ---- a/include/drm/bridge/cdns-mhdp-common.h -+++ b/include/drm/bridge/cdns-mhdp-common.h -@@ -685,6 +685,7 @@ struct cdns_mhdp_device { - bool power_up; - bool plugged; - bool is_hpd; -+ bool is_ls1028a; - struct mutex lock; - struct mutex iolock; - |