Commit 755d819e authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms/cayman: add asic init/startup/fini/suspend/resume functions 



Cayman is different enough from evergreen to warrant it's own functions.

Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent b9952a8a

drivers/gpu/drm/radeon/evergreen.c

+5 −5
Original line number Diff line number Diff line
@@ -1108,7 +1108,7 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s 
	WREG32(VGA_RENDER_CONTROL, save->vga_render_control);

}



static void evergreen_mc_program(struct radeon_device *rdev)

void evergreen_mc_program(struct radeon_device *rdev)

{

	struct evergreen_mc_save save;

	u32 tmp;
@@ -2565,7 +2565,7 @@ void evergreen_irq_disable(struct radeon_device *rdev) 
	evergreen_disable_interrupt_state(rdev);

}



static void evergreen_irq_suspend(struct radeon_device *rdev)

void evergreen_irq_suspend(struct radeon_device *rdev)

{

	evergreen_irq_disable(rdev);

	r600_rlc_stop(rdev);
@@ -2888,7 +2888,7 @@ static int evergreen_startup(struct radeon_device *rdev) 
				return r;

			}

		}

		r = btc_mc_load_microcode(rdev);

		r = ni_mc_load_microcode(rdev);

		if (r) {

			DRM_ERROR("Failed to load MC firmware!\n");

			return r;
@@ -2970,7 +2970,7 @@ int evergreen_resume(struct radeon_device *rdev) 


	r = evergreen_startup(rdev);

	if (r) {

		DRM_ERROR("r600 startup failed on resume\n");

		DRM_ERROR("evergreen startup failed on resume\n");

		return r;

	}
@@ -3050,7 +3050,7 @@ int evergreen_init(struct radeon_device *rdev) 
	}

	/* Must be an ATOMBIOS */

	if (!rdev->is_atom_bios) {

		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");

		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");

		return -EINVAL;

	}

	r = radeon_atombios_init(rdev);

drivers/gpu/drm/radeon/ni.c

+240 −1
Original line number Diff line number Diff line
@@ -36,6 +36,9 @@ 
extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);

extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);

extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);

extern void evergreen_mc_program(struct radeon_device *rdev);

extern void evergreen_irq_suspend(struct radeon_device *rdev);

extern int evergreen_mc_init(struct radeon_device *rdev);



#define EVERGREEN_PFP_UCODE_SIZE 1120

#define EVERGREEN_PM4_UCODE_SIZE 1376
@@ -193,7 +196,7 @@ static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { 
	{0x0000009f, 0x00976b00}

};



int btc_mc_load_microcode(struct radeon_device *rdev)

int ni_mc_load_microcode(struct radeon_device *rdev)

{

	const __be32 *fw_data;

	u32 mem_type, running, blackout = 0;
@@ -1129,6 +1132,12 @@ static int cayman_cp_start(struct radeon_device *rdev) 
	return 0;

}



static void cayman_cp_fini(struct radeon_device *rdev)

{

	cayman_cp_enable(rdev, false);

	radeon_ring_fini(rdev);

}



int cayman_cp_resume(struct radeon_device *rdev)

{

	u32 tmp;
@@ -1346,3 +1355,233 @@ int cayman_asic_reset(struct radeon_device *rdev) 
	return cayman_gpu_soft_reset(rdev);

}



static int cayman_startup(struct radeon_device *rdev)

{

	int r;



	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {

		r = ni_init_microcode(rdev);

		if (r) {

			DRM_ERROR("Failed to load firmware!\n");

			return r;

		}

	}

	r = ni_mc_load_microcode(rdev);

	if (r) {

		DRM_ERROR("Failed to load MC firmware!\n");

		return r;

	}



	evergreen_mc_program(rdev);

	r = cayman_pcie_gart_enable(rdev);

	if (r)

		return r;

	cayman_gpu_init(rdev);



#if 0

	r = cayman_blit_init(rdev);

	if (r) {

		cayman_blit_fini(rdev);

		rdev->asic->copy = NULL;

		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);

	}

#endif



	/* allocate wb buffer */

	r = radeon_wb_init(rdev);

	if (r)

		return r;



	/* Enable IRQ */

	r = r600_irq_init(rdev);

	if (r) {

		DRM_ERROR("radeon: IH init failed (%d).\n", r);

		radeon_irq_kms_fini(rdev);

		return r;

	}

	evergreen_irq_set(rdev);



	r = radeon_ring_init(rdev, rdev->cp.ring_size);

	if (r)

		return r;

	r = cayman_cp_load_microcode(rdev);

	if (r)

		return r;

	r = cayman_cp_resume(rdev);

	if (r)

		return r;



	return 0;

}



int cayman_resume(struct radeon_device *rdev)

{

	int r;



	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,

	 * posting will perform necessary task to bring back GPU into good

	 * shape.

	 */

	/* post card */

	atom_asic_init(rdev->mode_info.atom_context);



	r = cayman_startup(rdev);

	if (r) {

		DRM_ERROR("cayman startup failed on resume\n");

		return r;

	}



	r = r600_ib_test(rdev);

	if (r) {

		DRM_ERROR("radeon: failled testing IB (%d).\n", r);

		return r;

	}



	return r;



}



int cayman_suspend(struct radeon_device *rdev)

{

	/* int r; */



	/* FIXME: we should wait for ring to be empty */

	cayman_cp_enable(rdev, false);

	rdev->cp.ready = false;

	evergreen_irq_suspend(rdev);

	radeon_wb_disable(rdev);

	cayman_pcie_gart_disable(rdev);



#if 0

	/* unpin shaders bo */

	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);

	if (likely(r == 0)) {

		radeon_bo_unpin(rdev->r600_blit.shader_obj);

		radeon_bo_unreserve(rdev->r600_blit.shader_obj);

	}

#endif

	return 0;

}



/* Plan is to move initialization in that function and use

 * helper function so that radeon_device_init pretty much

 * do nothing more than calling asic specific function. This

 * should also allow to remove a bunch of callback function

 * like vram_info.

 */

int cayman_init(struct radeon_device *rdev)

{

	int r;



	/* This don't do much */

	r = radeon_gem_init(rdev);

	if (r)

		return r;

	/* Read BIOS */

	if (!radeon_get_bios(rdev)) {

		if (ASIC_IS_AVIVO(rdev))

			return -EINVAL;

	}

	/* Must be an ATOMBIOS */

	if (!rdev->is_atom_bios) {

		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");

		return -EINVAL;

	}

	r = radeon_atombios_init(rdev);

	if (r)

		return r;



	/* Post card if necessary */

	if (!radeon_card_posted(rdev)) {

		if (!rdev->bios) {

			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");

			return -EINVAL;

		}

		DRM_INFO("GPU not posted. posting now...\n");

		atom_asic_init(rdev->mode_info.atom_context);

	}

	/* Initialize scratch registers */

	r600_scratch_init(rdev);

	/* Initialize surface registers */

	radeon_surface_init(rdev);

	/* Initialize clocks */

	radeon_get_clock_info(rdev->ddev);

	/* Fence driver */

	r = radeon_fence_driver_init(rdev);

	if (r)

		return r;

	/* initialize memory controller */

	r = evergreen_mc_init(rdev);

	if (r)

		return r;

	/* Memory manager */

	r = radeon_bo_init(rdev);

	if (r)

		return r;



	r = radeon_irq_kms_init(rdev);

	if (r)

		return r;



	rdev->cp.ring_obj = NULL;

	r600_ring_init(rdev, 1024 * 1024);



	rdev->ih.ring_obj = NULL;

	r600_ih_ring_init(rdev, 64 * 1024);



	r = r600_pcie_gart_init(rdev);

	if (r)

		return r;



	rdev->accel_working = true;

	r = cayman_startup(rdev);

	if (r) {

		dev_err(rdev->dev, "disabling GPU acceleration\n");

		cayman_cp_fini(rdev);

		r600_irq_fini(rdev);

		radeon_wb_fini(rdev);

		radeon_irq_kms_fini(rdev);

		cayman_pcie_gart_fini(rdev);

		rdev->accel_working = false;

	}

	if (rdev->accel_working) {

		r = radeon_ib_pool_init(rdev);

		if (r) {

			DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);

			rdev->accel_working = false;

		}

		r = r600_ib_test(rdev);

		if (r) {

			DRM_ERROR("radeon: failed testing IB (%d).\n", r);

			rdev->accel_working = false;

		}

	}



	/* Don't start up if the MC ucode is missing.

	 * The default clocks and voltages before the MC ucode

	 * is loaded are not suffient for advanced operations.

	 */

	if (!rdev->mc_fw) {

		DRM_ERROR("radeon: MC ucode required for NI+.\n");

		return -EINVAL;

	}



	return 0;

}



void cayman_fini(struct radeon_device *rdev)

{

	/* cayman_blit_fini(rdev); */

	cayman_cp_fini(rdev);

	r600_irq_fini(rdev);

	radeon_wb_fini(rdev);

	radeon_irq_kms_fini(rdev);

	cayman_pcie_gart_fini(rdev);

	radeon_gem_fini(rdev);

	radeon_fence_driver_fini(rdev);

	radeon_bo_fini(rdev);

	radeon_atombios_fini(rdev);

	kfree(rdev->bios);

	rdev->bios = NULL;

}

drivers/gpu/drm/radeon/radeon.h

+1 −1
Original line number Diff line number Diff line
@@ -1501,7 +1501,7 @@ extern void r600_hdmi_disable(struct drm_encoder *encoder); 
extern void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);



extern int ni_init_microcode(struct radeon_device *rdev);

extern int btc_mc_load_microcode(struct radeon_device *rdev);

extern int ni_mc_load_microcode(struct radeon_device *rdev);



/* radeon_acpi.c */ 

#if defined(CONFIG_ACPI)