From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752078AbaCHTG5 (ORCPT ); Sat, 8 Mar 2014 14:06:57 -0500 Received: from mga09.intel.com ([134.134.136.24]:6200 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751558AbaCHTG4 (ORCPT ); Sat, 8 Mar 2014 14:06:56 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,615,1389772800"; d="scan'208";a="468943411" Message-ID: <1394305669.18918.3.camel@sagar-desktop> Subject: Re: [PATCH v3 1/1] drm/i915: Enabling 128x128 and 256x256 ARGB Cursor Support From: Sagar Arun Kamble To: Alex Deucher Cc: Intel Graphics Development , Daniel Vetter , LKML , Maling list - DRI developers , "G, Pallavi" Date: Sun, 09 Mar 2014 00:37:49 +0530 In-Reply-To: <1394305472.18918.1.camel@sagar-desktop> References: <20140224160628.GU3852@intel.com> <1394304546-19433-1-git-send-email-sagar.a.kamble@intel.com> <1394305472.18918.1.camel@sagar-desktop> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2014-03-09 at 00:34 +0530, Sagar Arun Kamble wrote: > On Sat, 2014-03-08 at 13:51 -0500, Alex Deucher wrote: > > On Sat, Mar 8, 2014 at 1:49 PM, wrote: > > > From: Sagar Kamble > > > > > > With this patch we allow larger cursor planes of sizes 128x128 > > > and 256x256. > > > > > > v2: Added more precise check on size while setting cursor plane. > > > > > > v3: Changes related to restructuring cursor size restrictions > > > and DRM_DEBUG usage. > > > > > > > I'm not sure how useful it is since you appear to be able to > > selectively adjust the cursor size, but I recently added support for > > exposing the cursor size as a drm cap: > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8716ed4e7bed4e4c7e3f37940e950ddc0362f450 > > > > Alex > Thanks Alex. This is useful for cursor test to enumerate sub-tests based > on these caps. Realized after sending mail that we just get to know current cursor width and height. Can we have capability that exposes all supported cursor sizes? > > > > > Testcase: igt/kms_cursor_crc > > > Cc: Daniel Vetter > > > Cc: Jani Nikula > > > Cc: David Airlie > > > Cc: dri-devel@lists.freedesktop.org > > > Cc: linux-kernel@vger.kernel.org > > > Signed-off-by: G, Pallavi > > > Signed-off-by: Sagar Kamble > > > --- > > > drivers/gpu/drm/i915/i915_reg.h | 4 ++++ > > > drivers/gpu/drm/i915/intel_display.c | 36 +++++++++++++++++++++++++++++++----- > > > 2 files changed, 35 insertions(+), 5 deletions(-) > > > > > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > > > index 146609a..aee8258 100644 > > > --- a/drivers/gpu/drm/i915/i915_reg.h > > > +++ b/drivers/gpu/drm/i915/i915_reg.h > > > @@ -3551,7 +3551,11 @@ enum punit_power_well { > > > /* New style CUR*CNTR flags */ > > > #define CURSOR_MODE 0x27 > > > #define CURSOR_MODE_DISABLE 0x00 > > > +#define CURSOR_MODE_128_32B_AX 0x02 > > > +#define CURSOR_MODE_256_32B_AX 0x03 > > > #define CURSOR_MODE_64_32B_AX 0x07 > > > +#define CURSOR_MODE_128_ARGB_AX ((1 << 5) | CURSOR_MODE_128_32B_AX) > > > +#define CURSOR_MODE_256_ARGB_AX ((1 << 5) | CURSOR_MODE_256_32B_AX) > > > #define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX) > > > #define MCURSOR_PIPE_SELECT (1 << 28) > > > #define MCURSOR_PIPE_A 0x00 > > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > > > index 0868afb..e59e8fd 100644 > > > --- a/drivers/gpu/drm/i915/intel_display.c > > > +++ b/drivers/gpu/drm/i915/intel_display.c > > > @@ -7440,10 +7440,22 @@ static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) > > > bool visible = base != 0; > > > > > > if (intel_crtc->cursor_visible != visible) { > > > + int16_t width = intel_crtc->cursor_width; > > > uint32_t cntl = I915_READ(CURCNTR(pipe)); > > > if (base) { > > > cntl &= ~(CURSOR_MODE | MCURSOR_PIPE_SELECT); > > > - cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; > > > + > > > + switch (width) { > > > + case 64: > > > + cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; > > > + break; > > > + case 128: > > > + cntl |= CURSOR_MODE_128_ARGB_AX | MCURSOR_GAMMA_ENABLE; > > > + break; > > > + case 256: > > > + cntl |= CURSOR_MODE_256_ARGB_AX | MCURSOR_GAMMA_ENABLE; > > > + break; > > > + } > > > cntl |= pipe << 28; /* Connect to correct pipe */ > > > } else { > > > cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); > > > @@ -7468,10 +7480,22 @@ static void ivb_update_cursor(struct drm_crtc *crtc, u32 base) > > > bool visible = base != 0; > > > > > > if (intel_crtc->cursor_visible != visible) { > > > + int16_t width = intel_crtc->cursor_width; > > > uint32_t cntl = I915_READ(CURCNTR_IVB(pipe)); > > > if (base) { > > > cntl &= ~CURSOR_MODE; > > > - cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; > > > + > > > + switch (width) { > > > + case 64: > > > + cntl |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE; > > > + break; > > > + case 128: > > > + cntl |= CURSOR_MODE_128_ARGB_AX | MCURSOR_GAMMA_ENABLE; > > > + break; > > > + case 256: > > > + cntl |= CURSOR_MODE_256_ARGB_AX | MCURSOR_GAMMA_ENABLE; > > > + break; > > > + } > > > } else { > > > cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); > > > cntl |= CURSOR_MODE_DISABLE; > > > @@ -7567,9 +7591,11 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc, > > > goto finish; > > > } > > > > > > - /* Currently we only support 64x64 cursors */ > > > - if (width != 64 || height != 64) { > > > - DRM_ERROR("we currently only support 64x64 cursors\n"); > > > + /* Check for which cursor types we support */ > > > + if (!((width == 64 && height == 64) || > > > + (width == 128 && height == 128 && !IS_GEN2(dev)) || > > > + (width == 256 && height == 256 && !IS_GEN2(dev)))) { > > > + DRM_DEBUG("Cursor dimension not supported\n"); > > > return -EINVAL; > > > } > > > > > > -- > > > 1.8.5 > > > > > > _______________________________________________ > > > dri-devel mailing list > > > dri-devel@lists.freedesktop.org > > > http://lists.freedesktop.org/mailman/listinfo/dri-devel >