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Commit c5590860 authored by Andrey Gusakov's avatar Andrey Gusakov Committed by Greg Kroah-Hartman
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drm/bridge: tc358767: fix DP0_MISC register set 




[ Upstream commit f3b8adbe1911f66fd3cab1aaa74f0f66b7ceda25 ]

Remove shift from TU_SIZE_RECOMMENDED define as it used to
calculate max_tu_symbols.

Acked-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarAndrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1510073785-16108-4-git-send-email-andrey.gusakov@cogentembedded.com


Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 8d4bfe89

drivers/gpu/drm/bridge/tc358767.c

+3 −2
Original line number Diff line number Diff line
@@ -97,7 +97,7 @@ 
#define DP0_ACTIVEVAL		0x0650

#define DP0_SYNCVAL		0x0654

#define DP0_MISC		0x0658

#define TU_SIZE_RECOMMENDED		(0x3f << 16) /* LSCLK cycles per TU */

#define TU_SIZE_RECOMMENDED		(63) /* LSCLK cycles per TU */

#define BPC_6				(0 << 5)

#define BPC_8				(1 << 5)
@@ -716,7 +716,8 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) 
	 * Must be less than tu_size.

	 */

	max_tu_symbol = TU_SIZE_RECOMMENDED - 1;

	tc_write(DP0_MISC, (max_tu_symbol << 23) | TU_SIZE_RECOMMENDED | BPC_8);

	tc_write(DP0_MISC, (max_tu_symbol << 23) | (TU_SIZE_RECOMMENDED << 16) |

			   BPC_8);



	return 0;

err: