From patchwork Tue Oct 3 19:42:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 13407939 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7FE92E8FDAF for ; Tue, 3 Oct 2023 19:43:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2DBDD10E312; Tue, 3 Oct 2023 19:43:18 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0103E10E07F for ; Tue, 3 Oct 2023 19:43:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1696362196; x=1727898196; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FWJhmZuokYpDSZXRqKF35fbMKeDIQMht4KIQeXjed9s=; b=for4U8WxNRRMxF0yKdB7RotXqgXDTshrb4tKvHWahNtbu3t/l5Lbbe1N 36Ox+7faNoWxqvOP7d7QWFEOw3CLavY++ncdifRwEnWygg5NhKGtKq2b6 9BfP96nNuPEqmEDaYcdfw0JW/E9HVN0EQg/T8964fgspgdusOjZrjcRtY kbxlEvJ5HGrWR6nL2nNK0yKzZX/06EbI856HIxDXwdOIXDHco7WxmyvCP odQSeTFzl2q94mPmZPhlEMrz7sb8LDCxsFNXC8pfsm+fg1BU8fzRaVbTj AybhviqMtM3FTi24qptRPt9ULZMCK2qsZ5jEUoj1MISX6p3w0NVufU5CZ w==; X-IronPort-AV: E=McAfee;i="6600,9927,10852"; a="380238225" X-IronPort-AV: E=Sophos;i="6.03,198,1694761200"; d="scan'208";a="380238225" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Oct 2023 12:43:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10852"; a="894623246" X-IronPort-AV: E=Sophos;i="6.03,198,1694761200"; d="scan'208";a="894623246" Received: from stinkpipe.fi.intel.com (HELO stinkbox) ([10.237.72.153]) by fmsmga001.fm.intel.com with SMTP; 03 Oct 2023 12:41:46 -0700 Received: by stinkbox (sSMTP sendmail emulation); Tue, 03 Oct 2023 22:43:10 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Tue, 3 Oct 2023 22:42:55 +0300 Message-ID: <20231003194256.28569-5-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003194256.28569-1-ville.syrjala@linux.intel.com> References: <20231003194256.28569-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 5/6] drm/i915/fbc: Split plane pixel format checks per-platform X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Ville Syrjälä Carve up pixel_format_is_valid() into per-platform variants to make it easier to see what limits are actually being imposed. Note that the XRGB1555 can be dropped from the g4x+ variant since the plane no longer supports that format anyway. TODO: maybe go for vfuncs later v2: Update for lnl changes Reviewed-by: Juha-Pekka Heikkila #v1 Reviewed-by: Vinod Govindapillai #v1 Signed-off-by: Ville Syrjälä Reviewed-by: Vinod Govindapillai --- drivers/gpu/drm/i915/display/intel_fbc.c | 47 ++++++++++++++++++++++-- 1 file changed, 43 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index 8999ef3f0972..37f96a4d50f2 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -917,7 +917,7 @@ static bool stride_is_valid(const struct intel_plane_state *plane_state) return i8xx_fbc_stride_is_valid(plane_state); } -static bool pixel_format_is_valid(const struct intel_plane_state *plane_state) +static bool i8xx_fbc_pixel_format_is_valid(const struct intel_plane_state *plane_state) { struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); const struct drm_framebuffer *fb = plane_state->hw.fb; @@ -931,20 +931,59 @@ static bool pixel_format_is_valid(const struct intel_plane_state *plane_state) /* 16bpp not supported on gen2 */ if (DISPLAY_VER(i915) == 2) return false; + return true; + default: + return false; + } +} + +static bool g4x_fbc_pixel_format_is_valid(const struct intel_plane_state *plane_state) +{ + struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + const struct drm_framebuffer *fb = plane_state->hw.fb; + + switch (fb->format->format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_XBGR8888: + return true; + case DRM_FORMAT_RGB565: /* WaFbcOnly1to1Ratio:ctg */ if (IS_G4X(i915)) return false; return true; + default: + return false; + } +} + +static bool lnl_fbc_pixel_format_is_valid(const struct intel_plane_state *plane_state) +{ + const struct drm_framebuffer *fb = plane_state->hw.fb; + + switch (fb->format->format) { + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_XBGR8888: case DRM_FORMAT_ARGB8888: case DRM_FORMAT_ABGR8888: - if (DISPLAY_VER(i915) >= 20) - return true; - fallthrough; + case DRM_FORMAT_RGB565: + return true; default: return false; } } +static bool pixel_format_is_valid(const struct intel_plane_state *plane_state) +{ + struct drm_i915_private *i915 = to_i915(plane_state->uapi.plane->dev); + + if (DISPLAY_VER(i915) >= 20) + return lnl_fbc_pixel_format_is_valid(plane_state); + else if (DISPLAY_VER(i915) >= 5 || IS_G4X(i915)) + return g4x_fbc_pixel_format_is_valid(plane_state); + else + return i8xx_fbc_pixel_format_is_valid(plane_state); +} + static bool i8xx_fbc_rotation_is_valid(const struct intel_plane_state *plane_state) { return plane_state->hw.rotation == DRM_MODE_ROTATE_0;