drm/amdgpu: Initialize dce_virtual_ip_funcs (c6e14f40) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/gpu/drm/amd/amdgpu/Makefile

+2 −1

Original line number	Diff line number	Diff line
		@@ -58,7 +58,8 @@ amdgpu-y += \
		# add DCE block
		amdgpu-y += \
		dce_v10_0.o \
		dce_v11_0.o
		dce_v11_0.o \
		dce_virtual.o

		# add GFX block
		amdgpu-y += \

drivers/gpu/drm/amd/amdgpu/amdgpu_display.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -335,7 +335,7 @@ int amdgpu_crtc_set_config(struct drm_mode_set *set)
		return ret;
		}

		static const char *encoder_names[38] = {
		static const char *encoder_names[41] = {
		"NONE",
		"INTERNAL_LVDS",
		"INTERNAL_TMDS1",
		@@ -374,6 +374,9 @@ static const char *encoder_names[38] = {
		"TRAVIS",
		"INTERNAL_VCE",
		"INTERNAL_UNIPHY3",
		"HDMI_ANX9805",
		"INTERNAL_AMCLK",
		"VIRTUAL",
		};

		static const char *hpd_names[6] = {

drivers/gpu/drm/amd/amdgpu/dce_virtual.c

0 → 100644

+308 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2014 Advanced Micro Devices, Inc.
		*
		* Permission is hereby granted, free of charge, to any person obtaining a
		* copy of this software and associated documentation files (the "Software"),
		* to deal in the Software without restriction, including without limitation
		* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		* and/or sell copies of the Software, and to permit persons to whom the
		* Software is furnished to do so, subject to the following conditions:
		*
		* The above copyright notice and this permission notice shall be included in
		* all copies or substantial portions of the Software.
		*
		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
		* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
		* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
		* OTHER DEALINGS IN THE SOFTWARE.
		*
		*/
		#include "drmP.h"
		#include "amdgpu.h"
		#include "amdgpu_pm.h"
		#include "amdgpu_i2c.h"
		#include "atom.h"
		#include "amdgpu_atombios.h"
		#include "atombios_crtc.h"
		#include "atombios_encoders.h"
		#include "amdgpu_pll.h"
		#include "amdgpu_connectors.h"

		static void dce_virtual_set_display_funcs(struct amdgpu_device *adev);
		static void dce_virtual_set_irq_funcs(struct amdgpu_device *adev);

		static const struct drm_crtc_funcs dce_virtual_crtc_funcs = {
		.cursor_set2 = NULL,
		.cursor_move = NULL,
		.gamma_set = NULL,
		.set_config = NULL,
		.destroy = NULL,
		.page_flip = NULL,
		};

		static const struct drm_crtc_helper_funcs dce_virtual_crtc_helper_funcs = {
		.dpms = NULL,
		.mode_fixup = NULL,
		.mode_set = NULL,
		.mode_set_base = NULL,
		.mode_set_base_atomic = NULL,
		.prepare = NULL,
		.commit = NULL,
		.load_lut = NULL,
		.disable = NULL,
		};

		static int dce_virtual_crtc_init(struct amdgpu_device *adev, int index)
		{
		struct amdgpu_crtc *amdgpu_crtc;
		int i;

		amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
		(AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
		if (amdgpu_crtc == NULL)
		return -ENOMEM;

		drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_virtual_crtc_funcs);

		drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
		amdgpu_crtc->crtc_id = index;
		adev->mode_info.crtcs[index] = amdgpu_crtc;

		for (i = 0; i < 256; i++) {
		amdgpu_crtc->lut_r[i] = i << 2;
		amdgpu_crtc->lut_g[i] = i << 2;
		amdgpu_crtc->lut_b[i] = i << 2;
		}

		amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
		amdgpu_crtc->encoder = NULL;
		amdgpu_crtc->connector = NULL;
		drm_crtc_helper_add(&amdgpu_crtc->base, &dce_virtual_crtc_helper_funcs);

		return 0;
		}

		static int dce_virtual_early_init(void *handle)
		{
		struct amdgpu_device adev = (struct amdgpu_device )handle;

		dce_virtual_set_display_funcs(adev);
		dce_virtual_set_irq_funcs(adev);

		adev->mode_info.num_crtc = 1;
		adev->mode_info.num_hpd = 1;
		adev->mode_info.num_dig = 1;
		return 0;
		}

		static bool dce_virtual_get_connector_info(struct amdgpu_device *adev)
		{
		struct amdgpu_i2c_bus_rec ddc_bus;
		struct amdgpu_router router;
		struct amdgpu_hpd hpd;

		/* look up gpio for ddc, hpd */
		ddc_bus.valid = false;
		hpd.hpd = AMDGPU_HPD_NONE;
		/* needed for aux chan transactions */
		ddc_bus.hpd = hpd.hpd;

		memset(&router, 0, sizeof(router));
		router.ddc_valid = false;
		router.cd_valid = false;
		amdgpu_display_add_connector(adev,
		0,
		ATOM_DEVICE_CRT1_SUPPORT,
		DRM_MODE_CONNECTOR_VIRTUAL, &ddc_bus,
		CONNECTOR_OBJECT_ID_VIRTUAL,
		&hpd,
		&router);

		amdgpu_display_add_encoder(adev, ENCODER_VIRTUAL_ENUM_VIRTUAL,
		ATOM_DEVICE_CRT1_SUPPORT,
		0);

		amdgpu_link_encoder_connector(adev->ddev);

		return true;
		}

		static int dce_virtual_sw_init(void *handle)
		{
		int r, i;
		struct amdgpu_device adev = (struct amdgpu_device )handle;

		r = amdgpu_irq_add_id(adev, 229, &adev->crtc_irq);
		if (r)
		return r;

		adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;

		adev->ddev->mode_config.max_width = 16384;
		adev->ddev->mode_config.max_height = 16384;

		adev->ddev->mode_config.preferred_depth = 24;
		adev->ddev->mode_config.prefer_shadow = 1;

		adev->ddev->mode_config.fb_base = adev->mc.aper_base;

		r = amdgpu_modeset_create_props(adev);
		if (r)
		return r;

		adev->ddev->mode_config.max_width = 16384;
		adev->ddev->mode_config.max_height = 16384;

		/* allocate crtcs */
		for (i = 0; i < adev->mode_info.num_crtc; i++) {
		r = dce_virtual_crtc_init(adev, i);
		if (r)
		return r;
		}

		dce_virtual_get_connector_info(adev);
		amdgpu_print_display_setup(adev->ddev);

		drm_kms_helper_poll_init(adev->ddev);

		adev->mode_info.mode_config_initialized = true;
		return 0;
		}

		static int dce_virtual_sw_fini(void *handle)
		{
		struct amdgpu_device adev = (struct amdgpu_device )handle;

		kfree(adev->mode_info.bios_hardcoded_edid);

		drm_kms_helper_poll_fini(adev->ddev);

		drm_mode_config_cleanup(adev->ddev);
		adev->mode_info.mode_config_initialized = false;
		return 0;
		}

		static int dce_virtual_hw_init(void *handle)
		{
		return 0;
		}

		static int dce_virtual_hw_fini(void *handle)
		{
		return 0;
		}

		static int dce_virtual_suspend(void *handle)
		{
		return dce_virtual_hw_fini(handle);
		}

		static int dce_virtual_resume(void *handle)
		{
		int ret;

		ret = dce_virtual_hw_init(handle);

		return ret;
		}

		static bool dce_virtual_is_idle(void *handle)
		{
		return true;
		}

		static int dce_virtual_wait_for_idle(void *handle)
		{
		return 0;
		}

		static int dce_virtual_soft_reset(void *handle)
		{
		return 0;
		}

		static int dce_virtual_set_clockgating_state(void *handle,
		enum amd_clockgating_state state)
		{
		return 0;
		}

		static int dce_virtual_set_powergating_state(void *handle,
		enum amd_powergating_state state)
		{
		return 0;
		}

		const struct amd_ip_funcs dce_virtual_ip_funcs = {
		.name = "dce_virtual",
		.early_init = dce_virtual_early_init,
		.late_init = NULL,
		.sw_init = dce_virtual_sw_init,
		.sw_fini = dce_virtual_sw_fini,
		.hw_init = dce_virtual_hw_init,
		.hw_fini = dce_virtual_hw_fini,
		.suspend = dce_virtual_suspend,
		.resume = dce_virtual_resume,
		.is_idle = dce_virtual_is_idle,
		.wait_for_idle = dce_virtual_wait_for_idle,
		.soft_reset = dce_virtual_soft_reset,
		.set_clockgating_state = dce_virtual_set_clockgating_state,
		.set_powergating_state = dce_virtual_set_powergating_state,
		};

		static const struct amdgpu_display_funcs dce_virtual_display_funcs = {
		.set_vga_render_state = NULL,
		.bandwidth_update = NULL,
		.vblank_get_counter = NULL,
		.vblank_wait = NULL,
		.is_display_hung = NULL,
		.backlight_set_level = NULL,
		.backlight_get_level = NULL,
		.hpd_sense = NULL,
		.hpd_set_polarity = NULL,
		.hpd_get_gpio_reg = NULL,
		.page_flip = NULL,
		.page_flip_get_scanoutpos = NULL,
		.add_encoder = NULL,
		.add_connector = &amdgpu_connector_add,
		.stop_mc_access = NULL,
		.resume_mc_access = NULL,
		};

		static void dce_virtual_set_display_funcs(struct amdgpu_device *adev)
		{
		if (adev->mode_info.funcs == NULL)
		adev->mode_info.funcs = &dce_virtual_display_funcs;
		}

		static const struct amdgpu_irq_src_funcs dce_virtual_crtc_irq_funcs = {
		.set = NULL,
		.process = NULL,
		};

		static const struct amdgpu_irq_src_funcs dce_virtual_pageflip_irq_funcs = {
		.set = NULL,
		.process = NULL,
		};

		static const struct amdgpu_irq_src_funcs dce_virtual_hpd_irq_funcs = {
		.set = NULL,
		.process = NULL,
		};

		static void dce_virtual_set_irq_funcs(struct amdgpu_device *adev)
		{
		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_LAST;
		adev->crtc_irq.funcs = &dce_virtual_crtc_irq_funcs;

		adev->pageflip_irq.num_types = AMDGPU_PAGEFLIP_IRQ_LAST;
		adev->pageflip_irq.funcs = &dce_virtual_pageflip_irq_funcs;

		adev->hpd_irq.num_types = AMDGPU_HPD_LAST;
		adev->hpd_irq.funcs = &dce_virtual_hpd_irq_funcs;
		}

drivers/gpu/drm/amd/amdgpu/dce_virtual.h

0 → 100644

+29 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2014 Advanced Micro Devices, Inc.
		*
		* Permission is hereby granted, free of charge, to any person obtaining a
		* copy of this software and associated documentation files (the "Software"),
		* to deal in the Software without restriction, including without limitation
		* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		* and/or sell copies of the Software, and to permit persons to whom the
		* Software is furnished to do so, subject to the following conditions:
		*
		* The above copyright notice and this permission notice shall be included in
		* all copies or substantial portions of the Software.
		*
		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
		* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
		* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
		* OTHER DEALINGS IN THE SOFTWARE.
		*
		*/

		#ifndef __DCE_VIRTUAL_H__
		#define __DCE_VIRTUAL_H__

		extern const struct amd_ip_funcs dce_virtual_ip_funcs;
		#endif