Messages in this thread | | | From | Stephen Boyd <> | Date | Thu, 22 Jul 2021 19:23:29 +0000 | Subject | Re: [PATCH v2 5/7] drm/msm/dp: return correct edid checksum after corrupted edid checksum read |
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Quoting Kuogee Hsieh (2021-07-13 08:54:05) > diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c > index 88196f7..0fdb551 100644 > --- a/drivers/gpu/drm/msm/dp/dp_panel.c > +++ b/drivers/gpu/drm/msm/dp/dp_panel.c > @@ -303,7 +303,12 @@ void dp_panel_handle_sink_request(struct dp_panel *dp_panel) > panel = container_of(dp_panel, struct dp_panel_private, dp_panel); > > if (panel->link->sink_request & DP_TEST_LINK_EDID_READ) { > - u8 checksum = dp_panel_get_edid_checksum(dp_panel->edid); > + u8 checksum; > + > + if (dp_panel->edid) > + checksum = dp_panel_get_edid_checksum(dp_panel->edid); > + else > + checksum = dp_panel->connector->real_edid_checksum;
Is there any reason why we can't use connector->real_edid_checksum all the time?
> > dp_link_send_edid_checksum(panel->link, checksum); > dp_link_send_test_response(panel->link);
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