linux-kernel - [PATCH v2] media: Hantro: Correct G2 init qp field

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Message-Id: <20220524115945.2294015-1-benjamin.gaignard@collabora.com>
Date:   Tue, 24 May 2022 13:59:45 +0200
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     ezequiel@...guardiasur.com.ar, p.zabel@...gutronix.de,
        mchehab@...nel.org, gregkh@...uxfoundation.org
Cc:     linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: [PATCH v2] media: Hantro: Correct G2 init qp field

Documentation said that g2 init_qp field use bits 24 to 30 of
the 8th register.
Change the field mask to be able to set 7 bits and not only 6 of them.

Conformance test INITQP_B_Main10_Sony_1 decoding is OK with this
patch.

Fixes: cb5dd5a0fa518 ("media: hantro: Introduce G2/HEVC decoder")
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
---
With this patch and the patches needed for 10-bit support
Fluster HEVC score is 137/147

version 2:
- Add Fixes tag

 drivers/staging/media/hantro/hantro_g2_regs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/hantro/hantro_g2_regs.h b/drivers/staging/media/hantro/hantro_g2_regs.h
index 877d663a8181..82606783591a 100644
--- a/drivers/staging/media/hantro/hantro_g2_regs.h
+++ b/drivers/staging/media/hantro/hantro_g2_regs.h
@@ -107,7 +107,7 @@
 
 #define g2_start_code_e		G2_DEC_REG(10, 31, 0x1)
 #define g2_init_qp_old		G2_DEC_REG(10, 25, 0x3f)
-#define g2_init_qp		G2_DEC_REG(10, 24, 0x3f)
+#define g2_init_qp		G2_DEC_REG(10, 24, 0x7f)
 #define g2_num_tile_cols_old	G2_DEC_REG(10, 20, 0x1f)
 #define g2_num_tile_cols	G2_DEC_REG(10, 19, 0x1f)
 #define g2_num_tile_rows_old	G2_DEC_REG(10, 15, 0x1f)
-- 
2.32.0