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Commit 402976fe authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

drm/radeon/kms: fix fans after resume 

On pre-R600 asics, the SpeedFanControl table is not
executed as part of ASIC_Init as it is on newer asics.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=29412



Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Reviewed-by: default avatarMichel Dänzer <michel.daenzer@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent d06221c0

drivers/gpu/drm/radeon/atom.c

+14 −1
Original line number Diff line number Diff line
@@ -1306,8 +1306,11 @@ struct atom_context *atom_parse(struct card_info *card, void *bios) 


int atom_asic_init(struct atom_context *ctx)

{

	struct radeon_device *rdev = ctx->card->dev->dev_private;

	int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);

	uint32_t ps[16];

	int ret;



	memset(ps, 0, 64);



	ps[0] = cpu_to_le32(CU32(hwi + ATOM_FWI_DEFSCLK_PTR));
@@ -1317,7 +1320,17 @@ int atom_asic_init(struct atom_context *ctx) 


	if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))

		return 1;

	return atom_execute_table(ctx, ATOM_CMD_INIT, ps);

	ret = atom_execute_table(ctx, ATOM_CMD_INIT, ps);

	if (ret)

		return ret;



	memset(ps, 0, 64);



	if (rdev->family < CHIP_R600) {

		if (CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_SPDFANCNTL))

			atom_execute_table(ctx, ATOM_CMD_SPDFANCNTL, ps);

	}

	return ret;

}



void atom_destroy(struct atom_context *ctx)

drivers/gpu/drm/radeon/atom.h

+1 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ 
#define ATOM_CMD_SETSCLK	0x0A

#define ATOM_CMD_SETMCLK	0x0B

#define ATOM_CMD_SETPCLK	0x0C

#define ATOM_CMD_SPDFANCNTL	0x39



#define ATOM_DATA_FWI_PTR	0xC

#define ATOM_DATA_IIO_PTR	0x32