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Date: Fri, 8 Jun 2018 06:37:41 +0800
From: kbuild test robot <lkp@...el.com>
To: Jayant Chowdhary <jchowdhary@...gle.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
Jayant Chowdhary <jchowdhary@...gle.com>,
akpm@...ux-foundation.org, kernel-team@...roid.com,
linux-kbuild@...r.kernel.org
Subject: Re: [PATCH] uapi: Make generic uapi headers compile standalone.
Hi Jayant,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v4.17 next-20180607]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Jayant-Chowdhary/uapi-Make-generic-uapi-headers-compile-standalone/20180608-014548
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
drivers/gpu/drm/radeon/cik.c:6721:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6721:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6721:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6722:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6722:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6722:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6724:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6724:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6724:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6725:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6725:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6725:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6726:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6726:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6726:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6731:49: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6731:49: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6731:49: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6733:49: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6733:49: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6733:49: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6735:57: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6735:57: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6735:57: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6742:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6742:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6742:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6743:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6743:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6743:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6746:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6746:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6746:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6747:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6747:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6747:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6750:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6750:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6750:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6751:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6751:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6751:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6755:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6755:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6755:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6756:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6756:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6756:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6759:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6759:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6759:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6760:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6760:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6760:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6763:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6763:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6763:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6764:33: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6764:33: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6764:33: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6768:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6768:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6768:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6769:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6769:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6769:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6771:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6771:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6771:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6772:25: sparse: incorrect type in assignment (different base types) @@ expected unsigned int volatile [unsigned] [usertype] <noident> @@ got latile [unsigned] [usertype] <noident> @@
drivers/gpu/drm/radeon/cik.c:6772:25: expected unsigned int volatile [unsigned] [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:6772:25: got restricted __le32 [usertype] <noident>
drivers/gpu/drm/radeon/cik.c:7497:24: sparse: cast to restricted __le32
drivers/gpu/drm/radeon/cik.c:7587:27: sparse: cast to restricted __le32
drivers/gpu/drm/radeon/cik.c:7588:28: sparse: cast to restricted __le32
drivers/gpu/drm/radeon/cik.c:7589:27: sparse: cast to restricted __le32
drivers/gpu/drm/radeon/cik.c:7497:24: sparse: cast to restricted __le32
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9065:16: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9142:15: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9142:15: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9144:22: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9144:22: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9262:29: sparse: expression using sizeof(void)
drivers/gpu/drm/radeon/cik.c:9293:39: sparse: expression using sizeof(void)
>> drivers/gpu/drm/radeon/cik.c:9333:39: sparse: too many warnings
vim +9333 drivers/gpu/drm/radeon/cik.c
cd84a27d Alex Deucher 2012-07-20 9234
cd84a27d Alex Deucher 2012-07-20 9235 /**
cd84a27d Alex Deucher 2012-07-20 9236 * dce8_program_watermarks - program display watermarks
cd84a27d Alex Deucher 2012-07-20 9237 *
cd84a27d Alex Deucher 2012-07-20 9238 * @rdev: radeon_device pointer
cd84a27d Alex Deucher 2012-07-20 9239 * @radeon_crtc: the selected display controller
cd84a27d Alex Deucher 2012-07-20 9240 * @lb_size: line buffer size
cd84a27d Alex Deucher 2012-07-20 9241 * @num_heads: number of display controllers in use
cd84a27d Alex Deucher 2012-07-20 9242 *
cd84a27d Alex Deucher 2012-07-20 9243 * Calculate and program the display watermarks for the
cd84a27d Alex Deucher 2012-07-20 9244 * selected display controller (CIK).
cd84a27d Alex Deucher 2012-07-20 9245 */
cd84a27d Alex Deucher 2012-07-20 9246 static void dce8_program_watermarks(struct radeon_device *rdev,
cd84a27d Alex Deucher 2012-07-20 9247 struct radeon_crtc *radeon_crtc,
cd84a27d Alex Deucher 2012-07-20 9248 u32 lb_size, u32 num_heads)
cd84a27d Alex Deucher 2012-07-20 9249 {
cd84a27d Alex Deucher 2012-07-20 9250 struct drm_display_mode *mode = &radeon_crtc->base.mode;
58ea2dea Alex Deucher 2013-01-24 9251 struct dce8_wm_params wm_low, wm_high;
e6b9a6c8 Mario Kleiner 2017-04-24 9252 u32 active_time;
cd84a27d Alex Deucher 2012-07-20 9253 u32 line_time = 0;
cd84a27d Alex Deucher 2012-07-20 9254 u32 latency_watermark_a = 0, latency_watermark_b = 0;
cd84a27d Alex Deucher 2012-07-20 9255 u32 tmp, wm_mask;
cd84a27d Alex Deucher 2012-07-20 9256
cd84a27d Alex Deucher 2012-07-20 9257 if (radeon_crtc->base.enabled && num_heads && mode) {
55f61a04 Mario Kleiner 2017-06-13 9258 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
55f61a04 Mario Kleiner 2017-06-13 9259 (u32)mode->clock);
55f61a04 Mario Kleiner 2017-06-13 9260 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
55f61a04 Mario Kleiner 2017-06-13 9261 (u32)mode->clock);
55f61a04 Mario Kleiner 2017-06-13 9262 line_time = min(line_time, (u32)65535);
cd84a27d Alex Deucher 2012-07-20 9263
58ea2dea Alex Deucher 2013-01-24 9264 /* watermark for high clocks */
58ea2dea Alex Deucher 2013-01-24 9265 if ((rdev->pm.pm_method == PM_METHOD_DPM) &&
58ea2dea Alex Deucher 2013-01-24 9266 rdev->pm.dpm_enabled) {
58ea2dea Alex Deucher 2013-01-24 9267 wm_high.yclk =
58ea2dea Alex Deucher 2013-01-24 9268 radeon_dpm_get_mclk(rdev, false) * 10;
58ea2dea Alex Deucher 2013-01-24 9269 wm_high.sclk =
58ea2dea Alex Deucher 2013-01-24 9270 radeon_dpm_get_sclk(rdev, false) * 10;
58ea2dea Alex Deucher 2013-01-24 9271 } else {
58ea2dea Alex Deucher 2013-01-24 9272 wm_high.yclk = rdev->pm.current_mclk * 10;
58ea2dea Alex Deucher 2013-01-24 9273 wm_high.sclk = rdev->pm.current_sclk * 10;
58ea2dea Alex Deucher 2013-01-24 9274 }
58ea2dea Alex Deucher 2013-01-24 9275
58ea2dea Alex Deucher 2013-01-24 9276 wm_high.disp_clk = mode->clock;
58ea2dea Alex Deucher 2013-01-24 9277 wm_high.src_width = mode->crtc_hdisplay;
e6b9a6c8 Mario Kleiner 2017-04-24 9278 wm_high.active_time = active_time;
58ea2dea Alex Deucher 2013-01-24 9279 wm_high.blank_time = line_time - wm_high.active_time;
58ea2dea Alex Deucher 2013-01-24 9280 wm_high.interlaced = false;
cd84a27d Alex Deucher 2012-07-20 9281 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
58ea2dea Alex Deucher 2013-01-24 9282 wm_high.interlaced = true;
58ea2dea Alex Deucher 2013-01-24 9283 wm_high.vsc = radeon_crtc->vsc;
58ea2dea Alex Deucher 2013-01-24 9284 wm_high.vtaps = 1;
cd84a27d Alex Deucher 2012-07-20 9285 if (radeon_crtc->rmx_type != RMX_OFF)
58ea2dea Alex Deucher 2013-01-24 9286 wm_high.vtaps = 2;
58ea2dea Alex Deucher 2013-01-24 9287 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
58ea2dea Alex Deucher 2013-01-24 9288 wm_high.lb_size = lb_size;
58ea2dea Alex Deucher 2013-01-24 9289 wm_high.dram_channels = cik_get_number_of_dram_channels(rdev);
58ea2dea Alex Deucher 2013-01-24 9290 wm_high.num_heads = num_heads;
cd84a27d Alex Deucher 2012-07-20 9291
cd84a27d Alex Deucher 2012-07-20 9292 /* set for high clocks */
58ea2dea Alex Deucher 2013-01-24 9293 latency_watermark_a = min(dce8_latency_watermark(&wm_high), (u32)65535);
58ea2dea Alex Deucher 2013-01-24 9294
58ea2dea Alex Deucher 2013-01-24 9295 /* possibly force display priority to high */
58ea2dea Alex Deucher 2013-01-24 9296 /* should really do this at mode validation time... */
58ea2dea Alex Deucher 2013-01-24 9297 if (!dce8_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
58ea2dea Alex Deucher 2013-01-24 9298 !dce8_average_bandwidth_vs_available_bandwidth(&wm_high) ||
58ea2dea Alex Deucher 2013-01-24 9299 !dce8_check_latency_hiding(&wm_high) ||
58ea2dea Alex Deucher 2013-01-24 9300 (rdev->disp_priority == 2)) {
58ea2dea Alex Deucher 2013-01-24 9301 DRM_DEBUG_KMS("force priority to high\n");
58ea2dea Alex Deucher 2013-01-24 9302 }
58ea2dea Alex Deucher 2013-01-24 9303
58ea2dea Alex Deucher 2013-01-24 9304 /* watermark for low clocks */
58ea2dea Alex Deucher 2013-01-24 9305 if ((rdev->pm.pm_method == PM_METHOD_DPM) &&
58ea2dea Alex Deucher 2013-01-24 9306 rdev->pm.dpm_enabled) {
58ea2dea Alex Deucher 2013-01-24 9307 wm_low.yclk =
58ea2dea Alex Deucher 2013-01-24 9308 radeon_dpm_get_mclk(rdev, true) * 10;
58ea2dea Alex Deucher 2013-01-24 9309 wm_low.sclk =
58ea2dea Alex Deucher 2013-01-24 9310 radeon_dpm_get_sclk(rdev, true) * 10;
58ea2dea Alex Deucher 2013-01-24 9311 } else {
58ea2dea Alex Deucher 2013-01-24 9312 wm_low.yclk = rdev->pm.current_mclk * 10;
58ea2dea Alex Deucher 2013-01-24 9313 wm_low.sclk = rdev->pm.current_sclk * 10;
58ea2dea Alex Deucher 2013-01-24 9314 }
58ea2dea Alex Deucher 2013-01-24 9315
58ea2dea Alex Deucher 2013-01-24 9316 wm_low.disp_clk = mode->clock;
58ea2dea Alex Deucher 2013-01-24 9317 wm_low.src_width = mode->crtc_hdisplay;
e6b9a6c8 Mario Kleiner 2017-04-24 9318 wm_low.active_time = active_time;
58ea2dea Alex Deucher 2013-01-24 9319 wm_low.blank_time = line_time - wm_low.active_time;
58ea2dea Alex Deucher 2013-01-24 9320 wm_low.interlaced = false;
58ea2dea Alex Deucher 2013-01-24 9321 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
58ea2dea Alex Deucher 2013-01-24 9322 wm_low.interlaced = true;
58ea2dea Alex Deucher 2013-01-24 9323 wm_low.vsc = radeon_crtc->vsc;
58ea2dea Alex Deucher 2013-01-24 9324 wm_low.vtaps = 1;
58ea2dea Alex Deucher 2013-01-24 9325 if (radeon_crtc->rmx_type != RMX_OFF)
58ea2dea Alex Deucher 2013-01-24 9326 wm_low.vtaps = 2;
58ea2dea Alex Deucher 2013-01-24 9327 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
58ea2dea Alex Deucher 2013-01-24 9328 wm_low.lb_size = lb_size;
58ea2dea Alex Deucher 2013-01-24 9329 wm_low.dram_channels = cik_get_number_of_dram_channels(rdev);
58ea2dea Alex Deucher 2013-01-24 9330 wm_low.num_heads = num_heads;
58ea2dea Alex Deucher 2013-01-24 9331
cd84a27d Alex Deucher 2012-07-20 9332 /* set for low clocks */
58ea2dea Alex Deucher 2013-01-24 @9333 latency_watermark_b = min(dce8_latency_watermark(&wm_low), (u32)65535);
cd84a27d Alex Deucher 2012-07-20 9334
cd84a27d Alex Deucher 2012-07-20 9335 /* possibly force display priority to high */
cd84a27d Alex Deucher 2012-07-20 9336 /* should really do this at mode validation time... */
58ea2dea Alex Deucher 2013-01-24 9337 if (!dce8_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
58ea2dea Alex Deucher 2013-01-24 9338 !dce8_average_bandwidth_vs_available_bandwidth(&wm_low) ||
58ea2dea Alex Deucher 2013-01-24 9339 !dce8_check_latency_hiding(&wm_low) ||
cd84a27d Alex Deucher 2012-07-20 9340 (rdev->disp_priority == 2)) {
cd84a27d Alex Deucher 2012-07-20 9341 DRM_DEBUG_KMS("force priority to high\n");
cd84a27d Alex Deucher 2012-07-20 9342 }
5b5561b3 Mario Kleiner 2015-11-25 9343
5b5561b3 Mario Kleiner 2015-11-25 9344 /* Save number of lines the linebuffer leads before the scanout */
5b5561b3 Mario Kleiner 2015-11-25 9345 radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
cd84a27d Alex Deucher 2012-07-20 9346 }
cd84a27d Alex Deucher 2012-07-20 9347
cd84a27d Alex Deucher 2012-07-20 9348 /* select wm A */
cd84a27d Alex Deucher 2012-07-20 9349 wm_mask = RREG32(DPG_WATERMARK_MASK_CONTROL + radeon_crtc->crtc_offset);
cd84a27d Alex Deucher 2012-07-20 9350 tmp = wm_mask;
cd84a27d Alex Deucher 2012-07-20 9351 tmp &= ~LATENCY_WATERMARK_MASK(3);
cd84a27d Alex Deucher 2012-07-20 9352 tmp |= LATENCY_WATERMARK_MASK(1);
cd84a27d Alex Deucher 2012-07-20 9353 WREG32(DPG_WATERMARK_MASK_CONTROL + radeon_crtc->crtc_offset, tmp);
cd84a27d Alex Deucher 2012-07-20 9354 WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
cd84a27d Alex Deucher 2012-07-20 9355 (LATENCY_LOW_WATERMARK(latency_watermark_a) |
cd84a27d Alex Deucher 2012-07-20 9356 LATENCY_HIGH_WATERMARK(line_time)));
cd84a27d Alex Deucher 2012-07-20 9357 /* select wm B */
cd84a27d Alex Deucher 2012-07-20 9358 tmp = RREG32(DPG_WATERMARK_MASK_CONTROL + radeon_crtc->crtc_offset);
cd84a27d Alex Deucher 2012-07-20 9359 tmp &= ~LATENCY_WATERMARK_MASK(3);
cd84a27d Alex Deucher 2012-07-20 9360 tmp |= LATENCY_WATERMARK_MASK(2);
cd84a27d Alex Deucher 2012-07-20 9361 WREG32(DPG_WATERMARK_MASK_CONTROL + radeon_crtc->crtc_offset, tmp);
cd84a27d Alex Deucher 2012-07-20 9362 WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
cd84a27d Alex Deucher 2012-07-20 9363 (LATENCY_LOW_WATERMARK(latency_watermark_b) |
cd84a27d Alex Deucher 2012-07-20 9364 LATENCY_HIGH_WATERMARK(line_time)));
cd84a27d Alex Deucher 2012-07-20 9365 /* restore original selection */
cd84a27d Alex Deucher 2012-07-20 9366 WREG32(DPG_WATERMARK_MASK_CONTROL + radeon_crtc->crtc_offset, wm_mask);
58ea2dea Alex Deucher 2013-01-24 9367
58ea2dea Alex Deucher 2013-01-24 9368 /* save values for DPM */
58ea2dea Alex Deucher 2013-01-24 9369 radeon_crtc->line_time = line_time;
58ea2dea Alex Deucher 2013-01-24 9370 radeon_crtc->wm_high = latency_watermark_a;
58ea2dea Alex Deucher 2013-01-24 9371 radeon_crtc->wm_low = latency_watermark_b;
cd84a27d Alex Deucher 2012-07-20 9372 }
cd84a27d Alex Deucher 2012-07-20 9373
:::::: The code at line 9333 was first introduced by commit
:::::: 58ea2deab36ecf0b416d3486442cc6df693dcc79 drm/radeon/kms: fix up dce8 display watermark calc for dpm
:::::: TO: Alex Deucher <alexander.deucher@....com>
:::::: CC: Alex Deucher <alexander.deucher@....com>
---
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