diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0697-drm-amd-dal-Add-simple-logger-of-DPCD-tx-rx-traffic.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0697-drm-amd-dal-Add-simple-logger-of-DPCD-tx-rx-traffic.patch | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/common/recipes-kernel/linux/files/0697-drm-amd-dal-Add-simple-logger-of-DPCD-tx-rx-traffic.patch b/common/recipes-kernel/linux/files/0697-drm-amd-dal-Add-simple-logger-of-DPCD-tx-rx-traffic.patch deleted file mode 100644 index a8dacb2a..00000000 --- a/common/recipes-kernel/linux/files/0697-drm-amd-dal-Add-simple-logger-of-DPCD-tx-rx-traffic.patch +++ /dev/null @@ -1,104 +0,0 @@ -From 0df59f35855ec8c33bfe7e3ab6a9b592d6e20860 Mon Sep 17 00:00:00 2001 -From: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> -Date: Sat, 16 Jan 2016 00:18:36 -0500 -Subject: [PATCH 0697/1110] drm/amd/dal: Add simple logger of DPCD tx/rx - traffic. - -Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> -Acked-by: Jordan Lazare <Jordan.Lazare@amd.com> ---- - .../drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c | 55 +++++++++++++++++++++- - 1 file changed, 53 insertions(+), 2 deletions(-) - -diff --git a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c -index aeab396..fe5e366 100644 ---- a/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c -+++ b/drivers/gpu/drm/amd/dal/amdgpu_dm/amdgpu_dm_mst_types.c -@@ -31,16 +31,59 @@ - #include "dc.h" - #include "dc_helpers.h" - -+/* #define TRACE_DPCD */ -+ -+#ifdef TRACE_DPCD -+#define SIDE_BAND_MSG(address) (address >= DP_SIDEBAND_MSG_DOWN_REQ_BASE && address < DP_SINK_COUNT_ESI) -+ -+static inline char *side_band_msg_type_to_str(uint32_t address) -+{ -+ static char str[10] = {0}; -+ -+ if (address < DP_SIDEBAND_MSG_UP_REP_BASE) -+ strcpy(str, "DOWN_REQ"); -+ else if (address < DP_SIDEBAND_MSG_DOWN_REP_BASE) -+ strcpy(str, "UP_REP"); -+ else if (address < DP_SIDEBAND_MSG_UP_REQ_BASE) -+ strcpy(str, "DOWN_REP"); -+ else -+ strcpy(str, "UP_REQ"); -+ -+ return str; -+} -+ -+void log_dpcd(uint8_t type, -+ uint32_t address, -+ uint8_t *data, -+ uint32_t size, -+ bool res) -+{ -+ DRM_DEBUG_KMS("Op: %s, addr: %04x, SideBand Msg: %s, Op res: %s\n", -+ (type == DP_AUX_NATIVE_READ) || -+ (type == DP_AUX_I2C_READ) ? -+ "Read" : "Write", -+ address, -+ SIDE_BAND_MSG(address) ? -+ side_band_msg_type_to_str(address) : "Nop", -+ res ? "OK" : "Fail"); -+ -+ if (res) { -+ print_hex_dump(KERN_INFO, "Body: ", DUMP_PREFIX_NONE, 16, 1, data, size, false); -+ } -+} -+#endif -+ - static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) - { - struct pci_dev *pdev = to_pci_dev(aux->dev); - struct drm_device *drm_dev = pci_get_drvdata(pdev); - struct amdgpu_device *adev = drm_dev->dev_private; - struct dc *dc = adev->dm.dc; -+ bool res; - - switch (msg->request) { - case DP_AUX_NATIVE_READ: -- dc_read_dpcd( -+ res = dc_read_dpcd( - dc, - TO_DM_AUX(aux)->link_index, - msg->address, -@@ -48,7 +91,7 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg - msg->size); - break; - case DP_AUX_NATIVE_WRITE: -- dc_write_dpcd( -+ res = dc_write_dpcd( - dc, - TO_DM_AUX(aux)->link_index, - msg->address, -@@ -59,6 +102,14 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg - return 0; - } - -+#ifdef TRACE_DPCD -+ log_dpcd(msg->request, -+ msg->address, -+ msg->buffer, -+ msg->size, -+ res); -+#endif -+ - return msg->size; - } - --- -2.7.4 - |