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| author | Anton V. Boyarshinov | 2020-02-26 13:20:54 +0100 |
|---|---|---|
| committer | Gerd Hoffmann | 2020-03-02 08:20:30 +0100 |
| commit | cd8fef8d4b2dfeadc68ffb4d741ab23e9e13dad1 (patch) | |
| tree | 09956f00c4a6edc0f5252ce98765a0bb52620077 | |
| parent | Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200228'... (diff) | |
| download | qemu-cd8fef8d4b2dfeadc68ffb4d741ab23e9e13dad1.tar.gz qemu-cd8fef8d4b2dfeadc68ffb4d741ab23e9e13dad1.tar.xz qemu-cd8fef8d4b2dfeadc68ffb4d741ab23e9e13dad1.zip | |
Arithmetic error in EDID generation fixed
To calculate screen size in centimeters we should calculate:
pixels/dpi*2.54
but not
pixels*dpi/2540
Using wrong formula we actually get 65 DPI and very small fonts.
Signed-off-by: Anton V. Boyarshinov <boyarsh@altlinux.org>
Message-id: 20200226122054.366b9cda@table.localdomain
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | hw/display/edid-generate.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/display/edid-generate.c b/hw/display/edid-generate.c index 75c945a948..e58472fde5 100644 --- a/hw/display/edid-generate.c +++ b/hw/display/edid-generate.c @@ -360,8 +360,8 @@ void qemu_edid_generate(uint8_t *edid, size_t size, edid[20] = 0xa5; /* screen size: undefined */ - edid[21] = info->prefx * info->dpi / 2540; - edid[22] = info->prefy * info->dpi / 2540; + edid[21] = info->prefx * 254 / 100 / info->dpi; + edid[22] = info->prefy * 254 / 100 / info->dpi; /* display gamma: 2.2 */ edid[23] = 220 - 100; |