From: ykk@rock-chips.com (Yakir Yang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 04/16] drm: bridge: analogix/dp: remove duplicate configuration of link rate and link count
Date: Tue, 1 Sep 2015 13:52:41 +0800 [thread overview]
Message-ID: <1441086761-25052-1-git-send-email-ykk@rock-chips.com> (raw)
In-Reply-To: <1441086371-24838-1-git-send-email-ykk@rock-chips.com>
link_rate and lane_count already configured in analogix_dp_set_link_train(),
so we don't need to config those repeatly after training finished, just
remove them out.
Beside Display Port 1.2 already support 5.4Gbps link rate, the maximum sets
would change from {1.62Gbps, 2.7Gbps} to {1.62Gbps, 2.7Gbps, 5.4Gbps}.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---
Changes in v4:
- Take Jingoo Han suggest, update commit message more readable.
- Adjust the order from 05 to 04
Changes in v3:
- Take Thierry Reding suggest, link_rate and lane_count shouldn't config to
the DT property value directly, but we can take those as hardware limite.
For example, RK3288 only support 4 physical lanes of 2.7/1.62 Gbps/lane,
so DT property would like "link-rate = 0x0a" "lane-count = 4".
Changes in v2: None
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 8 ++++----
drivers/gpu/drm/bridge/analogix/analogix_dp_core.h | 5 +++--
2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 7d62f22..7196097 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -631,6 +631,8 @@ static void analogix_dp_get_max_rx_bandwidth(struct analogix_dp_device *dp,
/*
* For DP rev.1.1, Maximum link rate of Main Link lanes
* 0x06 = 1.62 Gbps, 0x0a = 2.7 Gbps
+ * For DP rev.1.2, Maximum link rate of Main Link lanes
+ * 0x06 = 1.62 Gbps, 0x0a = 2.7 Gbps, 0x14 = 5.4Gbps
*/
analogix_dp_read_byte_from_dpcd(dp, DP_MAX_LINK_RATE, &data);
*bandwidth = data;
@@ -664,7 +666,8 @@ static void analogix_dp_init_training(struct analogix_dp_device *dp,
analogix_dp_get_max_rx_lane_count(dp, &dp->link_train.lane_count);
if ((dp->link_train.link_rate != LINK_RATE_1_62GBPS) &&
- (dp->link_train.link_rate != LINK_RATE_2_70GBPS)) {
+ (dp->link_train.link_rate != LINK_RATE_2_70GBPS) &&
+ (dp->link_train.link_rate != LINK_RATE_5_40GBPS)) {
dev_err(dp->dev, "Rx Max Link Rate is abnormal :%x !\n",
dp->link_train.link_rate);
dp->link_train.link_rate = LINK_RATE_1_62GBPS;
@@ -905,9 +908,6 @@ static void analogix_dp_commit(struct analogix_dp_device *dp)
analogix_dp_enable_rx_to_enhanced_mode(dp, 1);
analogix_dp_enable_enhanced_mode(dp, 1);
- analogix_dp_set_lane_count(dp, dp->video_info->lane_count);
- analogix_dp_set_link_bandwidth(dp, dp->video_info->link_rate);
-
analogix_dp_init_video(dp);
ret = analogix_dp_config_video(dp);
if (ret)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
index d7e47e0..ffabbd0 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
@@ -21,8 +21,9 @@
#define MAX_EQ_LOOP 5
enum link_rate_type {
- LINK_RATE_1_62GBPS = 0x06,
- LINK_RATE_2_70GBPS = 0x0a
+ LINK_RATE_1_62GBPS = DP_LINK_BW_1_62,
+ LINK_RATE_2_70GBPS = DP_LINK_BW_2_7,
+ LINK_RATE_5_40GBPS = DP_LINK_BW_5_4,
};
enum link_lane_count_type {
--
2.1.2
next prev parent reply other threads:[~2015-09-01 5:52 UTC|newest]
Thread overview: 133+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-01 5:46 [PATCH v4 0/16] Add Analogix Core Display Port Driver Yakir Yang
2015-09-01 5:46 ` [PATCH v4 01/16] drm: exynos/dp: fix code style Yakir Yang
2015-09-03 0:21 ` Krzysztof Kozlowski
2015-09-03 5:04 ` Yakir Yang
2015-09-03 5:08 ` Krzysztof Kozlowski
2015-09-03 5:33 ` Yakir Yang
2015-09-03 5:57 ` Joe Perches
2015-09-06 1:33 ` Yakir Yang
2015-09-01 5:49 ` [PATCH v4 02/16] drm: exynos/dp: convert to drm bridge mode Yakir Yang
2015-09-01 5:52 ` Yakir Yang [this message]
2015-09-01 5:55 ` [PATCH v4 05/16] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & colorimetry Yakir Yang
2015-09-03 8:04 ` Krzysztof Kozlowski
2015-09-06 2:00 ` Yakir Yang
2015-09-01 5:58 ` [PATCH v4 06/16] Documentation: drm/bridge: add document for analogix_dp Yakir Yang
2015-09-01 6:01 ` [PATCH v4 07/16] ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver Yakir Yang
2015-09-03 0:01 ` Krzysztof Kozlowski
2015-09-01 6:01 ` [PATCH v4 08/16] drm: rockchip/dp: add rockchip platform dp driver Yakir Yang
2015-09-01 14:24 ` Heiko Stuebner
2015-09-01 21:00 ` Heiko Stuebner
2015-09-01 6:01 ` [PATCH v4 09/16] drm: rockchip: add bpc and color mode setting Yakir Yang
2015-09-01 21:00 ` Heiko Stuebner
2015-09-01 6:04 ` [PATCH v4 10/16] phy: Add driver for rockchip Display Port PHY Yakir Yang
2015-09-01 16:51 ` Heiko Stuebner
2015-09-01 20:58 ` Heiko Stuebner
2015-09-02 13:27 ` Rob Herring
2015-09-03 3:25 ` Yakir Yang
2015-09-03 13:52 ` Heiko Stuebner
2015-09-06 4:09 ` Yakir Yang
2015-09-01 6:07 ` [PATCH v4 11/16] drm: bridge: analogix/dp: add platform device type support Yakir Yang
2015-09-04 0:36 ` Krzysztof Kozlowski
2015-09-06 4:07 ` Yakir Yang
2015-09-06 23:55 ` Krzysztof Kozlowski
2015-09-01 6:09 ` [PATCH v4 12/16] drm: bridge: analogix/dp: add some rk3288 special registers setting Yakir Yang
2015-09-01 6:11 ` [PATCH v4 13/16] drm: bridge: analogix/dp: add max link rate and lane count limit for RK3288 Yakir Yang
2015-09-01 6:14 ` [PATCH v4 14/16] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Yakir Yang
2015-09-02 20:17 ` Rob Herring
2015-09-03 4:27 ` Yakir Yang
2015-09-03 9:04 ` Thierry Reding
2015-09-04 10:20 ` Russell King - ARM Linux
2015-09-07 9:01 ` Thierry Reding
[not found] ` <55EBBA0C.1030100@rock-chips.com>
2015-09-07 8:20 ` Thierry Reding
2015-09-04 21:46 ` Rob Herring
2015-09-06 8:20 ` Yakir Yang
2015-09-07 8:39 ` Thierry Reding
2015-09-03 8:47 ` Thierry Reding
2015-09-03 21:55 ` Rob Herring
2015-09-04 10:01 ` Thierry Reding
2015-09-01 6:17 ` [PATCH v4 15/16] drm: bridge: analogix/dp: move hpd detect to connector detect function Yakir Yang
2015-09-01 6:20 ` [PATCH v4 16/16] drm: bridge: analogix/dp: add edid modes parse in get_modes method Yakir Yang
2015-09-01 21:47 ` [PATCH v4 0/16] Add Analogix Core Display Port Driver Heiko Stuebner
[not found] ` <1441086598-24995-1-git-send-email-ykk@rock-chips.com>
2015-09-01 20:46 ` [PATCH v4 03/16] drm: bridge: analogix/dp: split exynos dp driver to bridge dir Heiko Stuebner
2015-09-04 21:06 ` Rob Herring
2015-09-04 21:29 ` Heiko Stuebner
2015-09-07 8:11 ` Thierry Reding
2015-09-02 14:50 ` Emil Velikov
2015-09-03 3:55 ` Yakir Yang
2015-09-03 0:58 ` Krzysztof Kozlowski
2015-09-03 5:30 ` Yakir Yang
2015-09-04 0:41 ` Krzysztof Kozlowski
2015-09-06 7:49 ` Yakir Yang
2015-09-07 0:22 ` Krzysztof Kozlowski
2015-09-22 7:20 ` [PATCH v5 0/17] Add Analogix Core Display Port Driver Yakir Yang
2015-09-22 7:26 ` [PATCH v5 01/17] drm: exynos: dp: convert to drm bridge mode Yakir Yang
2015-09-22 7:34 ` [PATCH v5 03/17] drm: bridge: analogix/dp: fix some obvious code style Yakir Yang
2015-09-30 5:22 ` Krzysztof Kozlowski
2015-09-30 6:52 ` Yakir Yang
2015-09-22 7:35 ` [PATCH v5 04/17] drm: bridge: analogix/dp: remove duplicate configuration of link rate and link count Yakir Yang
2015-09-22 7:37 ` [PATCH v5 05/17] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & dynamic_range Yakir Yang
2015-09-30 5:32 ` Krzysztof Kozlowski
[not found] ` <560B8CF1.7050102@rock-chips.com>
2015-09-30 7:34 ` Krzysztof Kozlowski
[not found] ` <560B9B33.2060409@rock-chips.com>
2015-09-30 8:26 ` Krzysztof Kozlowski
2015-09-30 9:39 ` Yakir Yang
2015-09-22 7:40 ` [PATCH v5 06/17] Documentation: drm/bridge: add document for analogix_dp Yakir Yang
2015-09-22 7:43 ` [PATCH v5 07/17] ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver Yakir Yang
2015-09-30 5:39 ` Krzysztof Kozlowski
2015-09-30 7:20 ` Yakir Yang
2015-09-22 7:45 ` [PATCH v5 08/17] drm: rockchip: dp: add rockchip platform dp driver Yakir Yang
2015-09-22 7:48 ` [PATCH v5 09/17] Documentation: drm/bridge: add document for analogix_dp Yakir Yang
2015-09-22 7:48 ` [PATCH v5 10/17] phy: Add driver for rockchip Display Port PHY Yakir Yang
2015-09-22 7:51 ` [PATCH v5 11/17] Documentation: phy: add document for rockchip dp phy Yakir Yang
2015-09-22 7:55 ` [PATCH v5 12/17] drm: rockchip: vop: add bpc and color mode setting Yakir Yang
2015-09-22 7:57 ` [PATCH v5 13/17] drm: bridge: analogix/dp: add some rk3288 special registers setting Yakir Yang
2015-09-22 8:00 ` [PATCH v5 14/17] drm: bridge: analogix/dp: add max link rate and lane count limit for RK3288 Yakir Yang
2015-09-22 8:02 ` [PATCH v5 15/17] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Yakir Yang
2015-09-22 8:05 ` [PATCH v5 16/17] drm: bridge: analogix/dp: move hpd detect to connector detect function Yakir Yang
2015-09-22 8:07 ` [PATCH v5 17/17] drm: bridge: analogix/dp: add edid modes parse in get_modes method Yakir Yang
[not found] ` <1442906963-2883-1-git-send-email-ykk@rock-chips.com>
2015-09-30 5:17 ` [PATCH v5 02/17] drm: bridge: analogix/dp: split exynos dp driver to bridge directory Krzysztof Kozlowski
2015-09-30 6:48 ` Yakir Yang
2015-10-07 6:25 ` [PATCH v5 0/17] Add Analogix Core Display Port Driver Yakir Yang
2015-10-07 8:46 ` Javier Martinez Canillas
2015-10-07 9:02 ` Yakir Yang
2015-10-07 9:26 ` Javier Martinez Canillas
[not found] ` <5614FC6B.4080702@rock-chips.com>
2015-10-07 11:25 ` Javier Martinez Canillas
2015-10-08 0:40 ` Yakir Yang
2015-10-10 14:31 ` Yakir Yang
2015-10-13 9:21 ` Javier Martinez Canillas
2015-10-13 13:50 ` Yakir Yang
2015-10-14 8:18 ` Javier Martinez Canillas
2015-10-10 15:35 ` [PATCH v6 " Yakir Yang
2015-10-10 15:38 ` [PATCH v6 01/17] drm: exynos: dp: convert to drm bridge mode Yakir Yang
2015-10-10 15:41 ` [PATCH v6 03/17] drm: bridge: analogix/dp: fix some obvious code style Yakir Yang
2015-10-10 15:43 ` [PATCH v6 04/17] drm: bridge: analogix/dp: remove duplicate configuration of link rate and link count Yakir Yang
2015-10-10 15:46 ` [PATCH v6 05/17] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & dynamic_range Yakir Yang
2015-10-12 0:37 ` Yakir Yang
2015-10-12 0:49 ` Krzysztof Kozlowski
2015-10-12 2:43 ` Yakir Yang
2015-10-12 3:51 ` Krzysztof Kozlowski
2015-10-12 4:09 ` Yakir Yang
2015-10-12 4:16 ` Krzysztof Kozlowski
2015-10-10 15:49 ` [PATCH v6 06/17] Documentation: drm/bridge: add document for analogix_dp Yakir Yang
2015-10-10 15:49 ` [PATCH v6 07/17] ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver Yakir Yang
2015-10-10 15:51 ` [PATCH v6 08/17] drm: rockchip: dp: add rockchip platform dp driver Yakir Yang
2015-10-10 15:53 ` [PATCH v6 09/17] Documentation: drm/bridge: add document for analogix_dp Yakir Yang
2015-10-10 15:55 ` [PATCH v6 10/17] phy: Add driver for rockchip Display Port PHY Yakir Yang
2015-10-12 15:02 ` Kishon Vijay Abraham I
2015-10-12 16:18 ` Heiko Stübner
2015-10-13 1:20 ` Yakir Yang
2015-10-10 15:58 ` [PATCH v6 11/17] Documentation: phy: add document for rockchip dp phy Yakir Yang
2015-10-12 22:28 ` Kishon Vijay Abraham I
2015-10-13 1:21 ` Yakir Yang
2015-10-10 16:00 ` [PATCH v6 12/17] drm: rockchip: vop: add bpc and color mode setting Yakir Yang
2015-10-10 16:05 ` [PATCH v6 13/17] drm: bridge: analogix/dp: add some rk3288 special registers setting Yakir Yang
2015-10-10 16:05 ` [PATCH v6 14/17] drm: bridge: analogix/dp: add max link rate and lane count limit for RK3288 Yakir Yang
2015-10-10 16:05 ` [PATCH v6 15/17] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Yakir Yang
2015-10-10 16:05 ` [PATCH v6 16/17] drm: bridge: analogix/dp: move hpd detect to connector detect function Yakir Yang
2015-10-10 16:06 ` [PATCH v6 17/17] drm: bridge: analogix/dp: add edid modes parse in get_modes method Yakir Yang
2015-10-12 4:29 ` [PATCH v7 05/17] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & dynamic_range Yakir Yang
2015-10-12 6:54 ` Krzysztof Kozlowski
2015-10-12 7:20 ` Yakir Yang
2015-10-19 10:40 ` [PATCH v6 0/17] Add Analogix Core Display Port Driver Javier Martinez Canillas
2015-10-20 2:10 ` Yakir Yang
2015-10-20 9:48 ` Javier Martinez Canillas
2015-10-20 11:40 ` Yakir Yang
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