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intel_extreme: implement get_preferred_mode for vbt on mobile

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this avoids searching in edid information in this case.

Change-Id: I330341f089f71cd5de657a6630b5414d02db771f
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4749
Reviewed-by: Jérôme Duval <jerome.duval@gmail.com>
This commit is contained in:
Jérôme Duval 2021-12-01 11:35:02 +01:00
parent 7a52a73261
commit befbf01515
3 changed files with 26 additions and 0 deletions
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1
src/add-ons/accelerants/intel_extreme/accelerant_protos.h
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@ -33,6 +33,7 @@ uint32 intel_accelerant_mode_count(void);
status_t intel_get_mode_list(display_mode* dm);
status_t intel_propose_display_mode(display_mode* target,
const display_mode* low, const display_mode* high);
status_t intel_get_preferred_mode(display_mode* preferredMode);
status_t intel_set_display_mode(display_mode* mode);
status_t intel_get_display_mode(display_mode* currentMode);
status_t intel_get_edid_info(void* info, size_t size, uint32* _version);

2
src/add-ons/accelerants/intel_extreme/hooks.cpp
View File

@ -38,6 +38,8 @@ get_accelerant_hook(uint32 feature, void* data)
return (void*)intel_get_mode_list;
case B_PROPOSE_DISPLAY_MODE:
return (void*)intel_propose_display_mode;
case B_GET_PREFERRED_DISPLAY_MODE:
return (void*)intel_get_preferred_mode;
case B_SET_DISPLAY_MODE:
return (void*)intel_set_display_mode;
case B_GET_DISPLAY_MODE:

23
src/add-ons/accelerants/intel_extreme/mode.cpp
View File

@ -526,6 +526,29 @@ intel_get_display_mode(display_mode* _currentMode)
}
status_t
intel_get_preferred_mode(display_mode* preferredMode)
{
TRACE("%s\n", __func__);
display_mode mode;
if (gInfo->has_edid || !gInfo->shared_info->got_vbt
|| !gInfo->shared_info->device_type.IsMobile()) {
return B_ERROR;
}
mode.timing = gInfo->shared_info->panel_timing;
mode.space = B_RGB32;
mode.virtual_width = mode.timing.h_display;
mode.virtual_height = mode.timing.v_display;
mode.h_display_start = 0;
mode.v_display_start = 0;
mode.flags = 0;
memcpy(preferredMode, &mode, sizeof(mode));
return B_OK;
}
status_t
intel_get_edid_info(void* info, size_t size, uint32* _version)
{