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author | Evgeny Zinoviev <me@ch1p.io> | 2021-02-07 01:49:19 +0300 |
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committer | Evgeny Zinoviev <me@ch1p.io> | 2021-02-07 01:49:19 +0300 |
commit | 8f96216188ae440be6af63af650e26f05a86fd81 (patch) | |
tree | 39fa8bc3f70ebb6041f8751982f913ab85cbf06d /src/drivers/apple/hybrid_graphics/romstage.c | |
parent | 372766f26b8d765d4a6cc58992febc957c9b4d66 (diff) | |
parent | 7cffa9ed36562be010a6bac91f2469051e33049b (diff) |
Merge branch 'macbookpro10_1' into mbp101_medisable_1
Diffstat (limited to 'src/drivers/apple/hybrid_graphics/romstage.c')
-rw-r--r-- | src/drivers/apple/hybrid_graphics/romstage.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/drivers/apple/hybrid_graphics/romstage.c b/src/drivers/apple/hybrid_graphics/romstage.c new file mode 100644 index 0000000000..8f2667111b --- /dev/null +++ b/src/drivers/apple/hybrid_graphics/romstage.c @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <types.h> +#include <option.h> +#include <device/device.h> +#include <console/console.h> +#include "hybrid_graphics.h" +#include "chip.h" +#include "gmux.h" + +void early_hybrid_graphics(bool *enable_igd, bool *enable_peg) +{ + const struct device *dev; + enum hybrid_graphics_req mode = HYBRID_GRAPHICS_DEFAULT_GPU; + + /* TODO: Use generic device instead of dummy PNP device */ + dev = dev_find_slot_pnp(HYBRID_GRAPHICS_PORT, HYBRID_GRAPHICS_DEVICE); + + if (!dev || !dev->chip_info) { + printk(BIOS_ERR, "Hybrid graphics: ERROR\n"); + *enable_igd = true; + *enable_peg = false; + return; + } + + get_option(&mode, "hybrid_graphics_mode"); + + if (mode == HYBRID_GRAPHICS_DISCRETE) { + printk(BIOS_DEBUG, "Hybrid graphics:" + " Disabling integrated GPU.\n"); + + *enable_igd = false; + *enable_peg = true; + } else if (mode == HYBRID_GRAPHICS_INTEGRATED) { + printk(BIOS_DEBUG, "Hybrid graphics:" + " Disabling discrete GPU.\n"); + + *enable_igd = true; + *enable_peg = false; + } + + gmux_dgpu_power_enable(dev, *enable_peg); +} |