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authorNeil Armstrong <narmstrong@baylibre.com>2018-02-23 12:44:37 +0100
committerNeil Armstrong <narmstrong@baylibre.com>2018-03-06 11:52:15 +0100
commit9c305eb442f3b371fc722ade827bbf673514123e (patch)
treeac37fd16cde829ba74465840b11879836fc9bd68
parent2efa83920c7f4fb214517437c730afdaa4e28391 (diff)
downloadop-kernel-dev-9c305eb442f3b371fc722ade827bbf673514123e.zip
op-kernel-dev-9c305eb442f3b371fc722ade827bbf673514123e.tar.gz
drm: bridge: dw-hdmi: Fix overflow workaround for Amlogic Meson GX SoCs
The Amlogic Meson GX SoCs, embedded the v2.01a controller, has been also identified needing this workaround. This patch adds the corresponding version to enable a single iteration for this specific version. Fixes: be41fc55f1aa ("drm: bridge: dw-hdmi: Handle overflow workaround based on device version") Acked-by: Archit Taneja <architt@codeaurora.org> [narmstrong: s/identifies/identified and rebased against Jernej's change] Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/1519386277-25902-1-git-send-email-narmstrong@baylibre.com
-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-hdmi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index f980239..53ebbe2 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -1654,6 +1654,8 @@ static void dw_hdmi_clear_overflow(struct dw_hdmi *hdmi)
* (v1.31a) and multiple Allwinner SoCs (v1.32a) have been identified
* as needing the workaround, with 4 iterations for v1.30a and 1
* iteration for others.
+ * The Amlogic Meson GX SoCs (v2.01a) have been identified as needing
+ * the workaround with a single iteration.
*/
switch (hdmi->version) {
@@ -1662,6 +1664,7 @@ static void dw_hdmi_clear_overflow(struct dw_hdmi *hdmi)
break;
case 0x131a:
case 0x132a:
+ case 0x201a:
count = 1;
break;
default:
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