diff options
Diffstat (limited to 'testing/linux-amlogic/0019-drm-bridge-dw-hdmi-allow-ycbcr420-modes-for-0x200a.patch')
| -rw-r--r-- | testing/linux-amlogic/0019-drm-bridge-dw-hdmi-allow-ycbcr420-modes-for-0x200a.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/testing/linux-amlogic/0019-drm-bridge-dw-hdmi-allow-ycbcr420-modes-for-0x200a.patch b/testing/linux-amlogic/0019-drm-bridge-dw-hdmi-allow-ycbcr420-modes-for-0x200a.patch new file mode 100644 index 0000000000..54939c84e9 --- /dev/null +++ b/testing/linux-amlogic/0019-drm-bridge-dw-hdmi-allow-ycbcr420-modes-for-0x200a.patch @@ -0,0 +1,46 @@ +From 94d815707144fb76f2e6f718a864f10a8d3f6306 Mon Sep 17 00:00:00 2001 +From: Neil Armstrong <narmstrong@baylibre.com> +Date: Wed, 14 Nov 2018 17:39:46 +0100 +Subject: [PATCH] drm/bridge: dw-hdmi: allow ycbcr420 modes for >= 0x200a + +Now the DW-HDMI Controller supports the HDMI2.0 modes, enable support +for these modes in the connector if the platform supports them. +We limit these modes to DW-HDMI IP version >= 0x200a which +are designed to support HDMI2.0 display modes. + +Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> + +--- + drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 6 ++++++ + include/drm/bridge/dw_hdmi.h | 1 + + 2 files changed, 7 insertions(+) + +diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +index 6473df3..d10277f 100644 +--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c ++++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +@@ -2575,6 +2575,12 @@ __dw_hdmi_probe(struct platform_device *pdev, + if (hdmi->phy.ops->setup_hpd) + hdmi->phy.ops->setup_hpd(hdmi, hdmi->phy.data); + ++ if (hdmi->version >= 0x200a) ++ hdmi->connector.ycbcr_420_allowed = ++ hdmi->plat_data->ycbcr_420_allowed; ++ else ++ hdmi->connector.ycbcr_420_allowed = false; ++ + memset(&pdevinfo, 0, sizeof(pdevinfo)); + pdevinfo.parent = dev; + pdevinfo.id = PLATFORM_DEVID_AUTO; +diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h +index 27f9cce..c04f497a 100644 +--- a/include/drm/bridge/dw_hdmi.h ++++ b/include/drm/bridge/dw_hdmi.h +@@ -128,6 +128,7 @@ struct dw_hdmi_plat_data { + const struct drm_display_mode *mode); + unsigned long input_bus_format; + unsigned long input_bus_encoding; ++ bool ycbcr_420_allowed; + + /* Vendor PHY support */ + const struct dw_hdmi_phy_ops *phy_ops; |