From: "Shankar, Uma" <uma.shankar@intel.com>
To: "Gupta, Anshuman" <anshuman.gupta@intel.com>,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>
Cc: "Nikula, Jani" <jani.nikula@intel.com>,
"seanpaul@chromium.org" <seanpaul@chromium.org>
Subject: Re: [Intel-gfx] [PATCH v3 05/16] drm/i915/hdcp: Move HDCP enc status timeout to header
Date: Tue, 27 Oct 2020 05:52:13 +0000 [thread overview]
Message-ID: <80aaa54c474449cf9e4b204e34488493@intel.com> (raw)
In-Reply-To: <20201023122112.15265-6-anshuman.gupta@intel.com>
> -----Original Message-----
> From: Anshuman Gupta <anshuman.gupta@intel.com>
> Sent: Friday, October 23, 2020 5:51 PM
> To: intel-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org
> Cc: seanpaul@chromium.org; Nikula, Jani <jani.nikula@intel.com>; C,
> Ramalingam <ramalingam.c@intel.com>; Li, Juston <juston.li@intel.com>;
> Shankar, Uma <uma.shankar@intel.com>; Gupta, Anshuman
> <anshuman.gupta@intel.com>
> Subject: [PATCH v3 05/16] drm/i915/hdcp: Move HDCP enc status timeout to
> header
>
> DP MST stream encryption status requires time of a link frame in order to change
> its status, but as there were some HDCP encryption timeout observed earlier, it
> is safer to use ENCRYPT_STATUS_CHANGE_TIMEOUT_MS timeout for stream
> status too, it requires to move the macro to a header.
> It will be used by both HDCP{1.x,2.x} stream status timeout.
Looks Good to me.
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
> Related: 7e90e8d0c0ea ("drm/i915: Increase timeout for Encrypt status change")
> Cc: Ramalingam C <ramalingam.c@intel.com>
> Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_hdcp.c | 9 ++++-----
> drivers/gpu/drm/i915/display/intel_hdcp.h | 2 ++
> 2 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c
> b/drivers/gpu/drm/i915/display/intel_hdcp.c
> index a9b652c6e742..61252d4be3dd 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> @@ -23,7 +23,6 @@
> #include "intel_connector.h"
>
> #define KEY_LOAD_TRIES 5
> -#define ENCRYPT_STATUS_CHANGE_TIMEOUT_MS 50
> #define HDCP2_LC_RETRY_CNT 3
>
> static
> @@ -762,7 +761,7 @@ static int intel_hdcp_auth(struct intel_connector
> *connector)
> if (intel_de_wait_for_set(dev_priv,
> HDCP_STATUS(dev_priv, cpu_transcoder, port),
> HDCP_STATUS_ENC,
> - ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) {
> +
> HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) {
> drm_err(&dev_priv->drm, "Timed out waiting for encryption\n");
> return -ETIMEDOUT;
> }
> @@ -809,7 +808,7 @@ static int _intel_hdcp_disable(struct intel_connector
> *connector)
> intel_de_write(dev_priv, HDCP_CONF(dev_priv, cpu_transcoder, port), 0);
> if (intel_de_wait_for_clear(dev_priv,
> HDCP_STATUS(dev_priv, cpu_transcoder, port),
> - ~0, ENCRYPT_STATUS_CHANGE_TIMEOUT_MS))
> {
> + ~0,
> HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) {
> drm_err(&dev_priv->drm,
> "Failed to disable HDCP, timeout clearing status\n");
> return -ETIMEDOUT;
> @@ -1641,7 +1640,7 @@ static int hdcp2_enable_encryption(struct
> intel_connector *connector)
> HDCP2_STATUS(dev_priv, cpu_transcoder,
> port),
> LINK_ENCRYPTION_STATUS,
> - ENCRYPT_STATUS_CHANGE_TIMEOUT_MS);
> +
> HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS);
>
> return ret;
> }
> @@ -1665,7 +1664,7 @@ static int hdcp2_disable_encryption(struct
> intel_connector *connector)
> HDCP2_STATUS(dev_priv, cpu_transcoder,
> port),
> LINK_ENCRYPTION_STATUS,
> - ENCRYPT_STATUS_CHANGE_TIMEOUT_MS);
> +
> HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS);
> if (ret == -ETIMEDOUT)
> drm_dbg_kms(&dev_priv->drm, "Disable Encryption Timedout");
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.h
> b/drivers/gpu/drm/i915/display/intel_hdcp.h
> index bc51c1e9b481..b912a3a0f5b8 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.h
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.h
> @@ -8,6 +8,8 @@
>
> #include <linux/types.h>
>
> +#define HDCP_ENCRYPT_STATUS_CHANGE_TIMEOUT_MS 50
> +
> struct drm_connector;
> struct drm_connector_state;
> struct drm_i915_private;
> --
> 2.26.2
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next prev parent reply other threads:[~2020-10-27 5:52 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-23 12:20 [Intel-gfx] [PATCH v3 00/16] HDCP 2.2 and HDCP 1.4 Gen12 DP MST support Anshuman Gupta
2020-10-23 12:20 ` [Intel-gfx] [PATCH v3 01/16] drm/i915/hdcp: Update CP property in update_pipe Anshuman Gupta
2020-10-27 5:32 ` Shankar, Uma
2020-10-27 7:50 ` Anshuman Gupta
2020-10-23 12:20 ` [Intel-gfx] [PATCH v3 02/16] drm/i915/hdcp: Get conn while content_type changed Anshuman Gupta
2020-10-27 5:34 ` Shankar, Uma
2020-10-27 5:37 ` Anshuman Gupta
2020-10-23 12:20 ` [Intel-gfx] [PATCH v3 03/16] drm/i915/hotplug: Handle CP_IRQ for DP-MST Anshuman Gupta
2020-10-27 5:43 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 04/16] drm/i915/hdcp: DP MST transcoder for link and stream Anshuman Gupta
2020-10-27 5:49 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 05/16] drm/i915/hdcp: Move HDCP enc status timeout to header Anshuman Gupta
2020-10-27 5:52 ` Shankar, Uma [this message]
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 06/16] drm/i915/hdcp: HDCP stream encryption support Anshuman Gupta
2020-10-27 6:20 ` Shankar, Uma
2020-10-27 7:46 ` Anshuman Gupta
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 07/16] drm/i915/hdcp: Enable Gen12 HDCP 1.4 DP MST support Anshuman Gupta
2020-10-27 6:29 ` Shankar, Uma
2020-10-27 7:57 ` Anshuman Gupta
2020-10-27 12:04 ` Anshuman Gupta
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 08/16] drm/i915/hdcp: Pass dig_port to intel_hdcp_init Anshuman Gupta
2020-10-27 6:30 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 09/16] drm/i915/hdcp: Encapsulate hdcp_port_data to dig_port Anshuman Gupta
2020-10-27 6:34 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 10/16] misc/mei/hdcp: Fix AUTH_STREAM_REQ cmd buffer len Anshuman Gupta
2020-10-27 6:36 ` Shankar, Uma
2020-10-27 6:39 ` Winkler, Tomas
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 11/16] drm/hdcp: Max MST content streams Anshuman Gupta
2020-10-27 6:41 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 12/16] drm/i915/hdcp: MST streams support in hdcp port_data Anshuman Gupta
2020-10-27 6:55 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 13/16] drm/i915/hdcp: Pass connector to check_2_2_link Anshuman Gupta
2020-10-27 6:57 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 14/16] drm/i915/hdcp: Add HDCP 2.2 stream register Anshuman Gupta
2020-10-27 7:11 ` Shankar, Uma
2020-10-27 8:57 ` Anshuman Gupta
2020-10-27 9:50 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 15/16] drm/i915/hdcp: Support for HDCP 2.2 MST shim callbacks Anshuman Gupta
2020-10-27 7:20 ` Shankar, Uma
2020-10-23 12:21 ` [Intel-gfx] [PATCH v3 16/16] drm/i915/hdcp: Enable HDCP 2.2 MST support Anshuman Gupta
2020-10-27 7:24 ` Shankar, Uma
2020-10-23 14:41 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for HDCP 2.2 and HDCP 1.4 Gen12 DP " Patchwork
2020-10-23 14:42 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-10-23 15:07 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-10-23 18:54 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
-- strict thread matches above, loose matches on Subject: below --
2020-10-22 8:55 [Intel-gfx] [PATCH v3 00/16] HDCP 2.2 DP MST Support Anshuman Gupta
2020-10-22 8:55 ` [Intel-gfx] [PATCH v3 05/16] drm/i915/hdcp: Move HDCP enc status timeout to header Anshuman Gupta
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