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Tsirkin" , Stefano Stabellini , Anthony Perard , Paul Durrant , Akihiko Odaki Subject: [PATCH v2 1/2] edid: Make refresh rate configurable Date: Thu, 4 Mar 2021 00:29:47 +0900 Message-Id: <20210303152948.59943-1-akihiko.odaki@gmail.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) MIME-Version: 1.0 Signed-off-by: Akihiko Odaki --- hw/display/edid-generate.c | 9 +++++---- include/hw/display/edid.h | 12 +++++++----- 2 files changed, 12 insertions(+), 9 deletions(-) diff --git a/hw/display/edid-generate.c b/hw/display/edid-generate.c index 1665b7cbb29..b0ce583d436 100644 --- a/hw/display/edid-generate.c +++ b/hw/display/edid-generate.c @@ -203,7 +203,7 @@ 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) { @@ -216,9 +216,9 @@ 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; @@ -303,6 +303,7 @@ 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 =============== */ @@ -400,7 +401,7 @@ void qemu_edid_generate(uint8_t *edid, size_t size, /* =============== descriptor blocks =============== */ - edid_desc_timing(edid + desc, info->prefx, info->prefy, + edid_desc_timing(edid + desc, refresh_rate, info->prefx, info->prefy, width_mm, height_mm); desc += 18; diff --git a/include/hw/display/edid.h b/include/hw/display/edid.h index 1f8fc9b3750..520f8ec2027 100644 --- a/include/hw/display/edid.h +++ b/include/hw/display/edid.h @@ -11,6 +11,7 @@ typedef struct qemu_edid_info { uint32_t prefy; uint32_t maxx; uint32_t maxy; + uint32_t refresh_rate; } qemu_edid_info; void qemu_edid_generate(uint8_t *edid, size_t size, @@ -21,10 +22,11 @@ void qemu_edid_region_io(MemoryRegion *region, Object *owner, uint32_t qemu_edid_dpi_to_mm(uint32_t dpi, uint32_t res); -#define DEFINE_EDID_PROPERTIES(_state, _edid_info) \ - DEFINE_PROP_UINT32("xres", _state, _edid_info.prefx, 0), \ - DEFINE_PROP_UINT32("yres", _state, _edid_info.prefy, 0), \ - DEFINE_PROP_UINT32("xmax", _state, _edid_info.maxx, 0), \ - DEFINE_PROP_UINT32("ymax", _state, _edid_info.maxy, 0) +#define DEFINE_EDID_PROPERTIES(_state, _edid_info) \ + DEFINE_PROP_UINT32("xres", _state, _edid_info.prefx, 0), \ + DEFINE_PROP_UINT32("yres", _state, _edid_info.prefy, 0), \ + DEFINE_PROP_UINT32("xmax", _state, _edid_info.maxx, 0), \ + DEFINE_PROP_UINT32("ymax", _state, _edid_info.maxy, 0), \ + DEFINE_PROP_UINT32("refresh_rate", _state, _edid_info.refresh_rate, 0) #endif /* EDID_H */