[Intel-gfx] [PATCH 1/2] drm/i915/dsi/xelpd: Add WA to program LP to HS wakeup guardband
kernel test robot
lkp at intel.com
Mon Aug 23 06:54:00 UTC 2021
Hi Vandita,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip next-20210820]
[cannot apply to v5.14-rc7]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Vandita-Kulkarni/Enable-mipi-dsi-on-XELPD/20210823-112313
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-a006-20210822 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/d75ce0657c5bed32b206ab0461ea42eea7514436
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Vandita-Kulkarni/Enable-mipi-dsi-on-XELPD/20210823-112313
git checkout d75ce0657c5bed32b206ab0461ea42eea7514436
# save the attached .config to linux build tree
make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
In file included from drivers/gpu/drm/i915/display/intel_ddi.h:10,
from drivers/gpu/drm/i915/display/icl_dsi.c:35:
drivers/gpu/drm/i915/display/icl_dsi.c: In function 'adlp_set_lp_hs_wakeup_gb':
drivers/gpu/drm/i915/i915_reg.h:11619:11: error: '_TGL_DSI_CHKN_REG_0' undeclared (first use in this function); did you mean 'TGL_DSI_CHKN_REG_0'?
11619 | _TGL_DSI_CHKN_REG_0, \
| ^~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:185:47: note: in definition of macro '_MMIO'
185 | #define _MMIO(r) ((const i915_reg_t){ .reg = (r) })
| ^
drivers/gpu/drm/i915/i915_reg.h:231:28: note: in expansion of macro '_PICK_EVEN'
231 | #define _PORT(port, a, b) _PICK_EVEN(port, a, b)
| ^~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:238:39: note: in expansion of macro '_PORT'
238 | #define _MMIO_PORT(port, a, b) _MMIO(_PORT(port, a, b))
| ^~~~~
drivers/gpu/drm/i915/i915_reg.h:11618:33: note: in expansion of macro '_MMIO_PORT'
11618 | #define TGL_DSI_CHKN_REG(port) _MMIO_PORT(port, \
| ^~~~~~~~~~
drivers/gpu/drm/i915/display/icl_dsi.c:1290:27: note: in expansion of macro 'TGL_DSI_CHKN_REG'
1290 | intel_de_rmw(dev_priv, TGL_DSI_CHKN_REG(port),
| ^~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:11619:11: note: each undeclared identifier is reported only once for each function it appears in
11619 | _TGL_DSI_CHKN_REG_0, \
| ^~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:185:47: note: in definition of macro '_MMIO'
185 | #define _MMIO(r) ((const i915_reg_t){ .reg = (r) })
| ^
drivers/gpu/drm/i915/i915_reg.h:231:28: note: in expansion of macro '_PICK_EVEN'
231 | #define _PORT(port, a, b) _PICK_EVEN(port, a, b)
| ^~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:238:39: note: in expansion of macro '_PORT'
238 | #define _MMIO_PORT(port, a, b) _MMIO(_PORT(port, a, b))
| ^~~~~
drivers/gpu/drm/i915/i915_reg.h:11618:33: note: in expansion of macro '_MMIO_PORT'
11618 | #define TGL_DSI_CHKN_REG(port) _MMIO_PORT(port, \
| ^~~~~~~~~~
drivers/gpu/drm/i915/display/icl_dsi.c:1290:27: note: in expansion of macro 'TGL_DSI_CHKN_REG'
1290 | intel_de_rmw(dev_priv, TGL_DSI_CHKN_REG(port),
| ^~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:11620:11: error: '_TGL_DSI_CHKN_REG_1' undeclared (first use in this function); did you mean 'TGL_DSI_CHKN_REG_1'?
11620 | _TGL_DSI_CHKN_REG_1)
| ^~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:185:47: note: in definition of macro '_MMIO'
185 | #define _MMIO(r) ((const i915_reg_t){ .reg = (r) })
| ^
drivers/gpu/drm/i915/i915_reg.h:231:28: note: in expansion of macro '_PICK_EVEN'
231 | #define _PORT(port, a, b) _PICK_EVEN(port, a, b)
| ^~~~~~~~~~
drivers/gpu/drm/i915/i915_reg.h:238:39: note: in expansion of macro '_PORT'
238 | #define _MMIO_PORT(port, a, b) _MMIO(_PORT(port, a, b))
| ^~~~~
drivers/gpu/drm/i915/i915_reg.h:11618:33: note: in expansion of macro '_MMIO_PORT'
11618 | #define TGL_DSI_CHKN_REG(port) _MMIO_PORT(port, \
| ^~~~~~~~~~
drivers/gpu/drm/i915/display/icl_dsi.c:1290:27: note: in expansion of macro 'TGL_DSI_CHKN_REG'
1290 | intel_de_rmw(dev_priv, TGL_DSI_CHKN_REG(port),
| ^~~~~~~~~~~~~~~~
>> drivers/gpu/drm/i915/display/icl_dsi.c:1288:5: error: suggest explicit braces to avoid ambiguous 'else' [-Werror=dangling-else]
1288 | if (DISPLAY_VER(dev_priv) == 13)
| ^
cc1: all warnings being treated as errors
vim +/else +1288 drivers/gpu/drm/i915/display/icl_dsi.c
1273
1274 /*
1275 * Wa_16012360555:ADLP
1276 * SW will have to program the "LP to HS Wakeup Guardband"
1277 * field (bits 15:12) of register offset 0x6B0C0 (DSI0)
1278 * and 0x6B8C0 (DSI1) to a value of 4 to account for the repeaters
1279 * on the HS Request/Ready PPI signaling between
1280 * the Display engine and the DPHY.
1281 */
1282 static void adlp_set_lp_hs_wakeup_gb(struct intel_encoder *encoder)
1283 {
1284 struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
1285 struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
1286 enum port port;
1287
> 1288 if (DISPLAY_VER(dev_priv) == 13)
1289 for_each_dsi_port(port, intel_dsi->ports)
> 1290 intel_de_rmw(dev_priv, TGL_DSI_CHKN_REG(port),
1291 TGL_DSI_CHKN_LSHS_GB, 0x4);
1292 }
1293
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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