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backends/drm: Fix mode comparison

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Some modes can have the exact frame timings but different flags.
Currently, the mode comparison function doesn't take that into account
which can result in the drm backend setting the current mode flag
incorrectly.
This commit is contained in:
Vlad Zahorodnii 2022-04-08 16:23:51 +03:00
parent 52c1155b26
commit b495faf98d
1 changed files with 2 additions and 12 deletions
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14
src/backends/drm/drm_object_connector.cpp
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@ -20,24 +20,14 @@
#include <KConfigGroup>
#include <cerrno>
#include <cstring>
namespace KWin
{
static bool checkIfEqual(const drmModeModeInfo *one, const drmModeModeInfo *two)
{
return one->clock == two->clock
&& one->hdisplay == two->hdisplay
&& one->hsync_start == two->hsync_start
&& one->hsync_end == two->hsync_end
&& one->htotal == two->htotal
&& one->hskew == two->hskew
&& one->vdisplay == two->vdisplay
&& one->vsync_start == two->vsync_start
&& one->vsync_end == two->vsync_end
&& one->vtotal == two->vtotal
&& one->vscan == two->vscan
&& one->vrefresh == two->vrefresh;
return std::memcmp(one, two, sizeof(drmModeModeInfo)) == 0;
}
static quint64 refreshRateForMode(_drmModeModeInfo *m)