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authorAkihiko Odaki <akihiko.odaki@gmail.com>2021-04-27 17:08:21 +0200
committerGerd Hoffmann <kraxel@redhat.com>2021-05-10 11:41:02 +0200
commitfce39fa737afba09811efeceee973e3039d926c4 (patch)
tree62a11272bd6e4db314ac41dabdacfcfa08bb3076 /hw/display
parent4f9e268637f334d639a3d3ab5f1f06dfe6e93bc0 (diff)
downloadqemu-fce39fa737afba09811efeceee973e3039d926c4.zip
edid: Make refresh rate configurable
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20210427150824.638359-1-kraxel@redhat.com Message-Id: <20210427150824.638359-6-kraxel@redhat.com>
Diffstat (limited to 'hw/display')
-rw-r--r--hw/display/edid-generate.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/hw/display/edid-generate.c b/hw/display/edid-generate.c
index 42a130f0ff..8662218822 100644
--- a/hw/display/edid-generate.c
+++ b/hw/display/edid-generate.c
@@ -223,7 +223,7 @@ static void edid_desc_dummy(uint8_t *desc)
edid_desc_type(desc, 0x10);
}
-static void edid_desc_timing(uint8_t *desc,
+static void edid_desc_timing(uint8_t *desc, uint32_t refresh_rate,
uint32_t xres, uint32_t yres,
uint32_t xmm, uint32_t ymm)
{
@@ -236,9 +236,9 @@ static void edid_desc_timing(uint8_t *desc,
uint32_t ysync = yres * 5 / 1000;
uint32_t yblank = yres * 35 / 1000;
- uint32_t clock = 75 * (xres + xblank) * (yres + yblank);
+ uint64_t clock = (uint64_t)refresh_rate * (xres + xblank) * (yres + yblank);
- stl_le_p(desc, clock / 10000);
+ stl_le_p(desc, clock / 10000000);
desc[2] = xres & 0xff;
desc[3] = xblank & 0xff;
@@ -323,6 +323,7 @@ void qemu_edid_generate(uint8_t *edid, size_t size,
uint8_t *xtra3 = NULL;
uint8_t *dta = NULL;
uint32_t width_mm, height_mm;
+ uint32_t refresh_rate = info->refresh_rate ? info->refresh_rate : 75000;
uint32_t dpi = 100; /* if no width_mm/height_mm */
/* =============== set defaults =============== */
@@ -420,7 +421,7 @@ void qemu_edid_generate(uint8_t *edid, size_t size,
/* =============== descriptor blocks =============== */
- edid_desc_timing(desc, info->prefx, info->prefy,
+ edid_desc_timing(desc, refresh_rate, info->prefx, info->prefy,
width_mm, height_mm);
desc = edid_desc_next(edid, dta, desc);